MLB Players — K
813 MLB baseball players with last names starting with K.
- Ka'aihue, Kila 2008–2012
- Kaat, Jim 1959–1983
- Kaczmarski, Kevin 2018–2018
- Kading, Jack 1910–1914
- Kafora, Jake 1913–1914
- Kahdot, Ike 1922–1922
- Kahl, Nick 1905–1905
- Kahle, Bob 1938–1938
- Kahler, George 1910–1914
- Kahn, Owen 1930–1930
- Kahnle, Tommy 2014–
- Kahoe, Mike 1895–1909
- Kainer, Don 1980–1980
- Kaiser, Al 1911–1914
- Kaiser, Bob 1971–1971
- Kaiser, Cecil
- Kaiser, Connor 2023–2023
- Kaiser, Don 1955–1957
- Kaiser, Jeff 1985–1993
- Kaiserling, George 1914–1915
- Kalahan, John 1903–1903
- Kalbfus, Charlie 1884–1884
- Kalfass, Bill 1937–1937
- Kalin, Frank 1940–1943
- Kaline, Al 1953–1974
- Kalish, Ryan 2010–2016
- Kallio, Rudy 1918–1925
- Kamieniecki, Scott 1991–2000
- Kaminsky, Rob 2020–2020
- Kamm, Willie 1923–1935
- Kammeyer, Bob 1978–1979
- Kamp, Ike 1924–1925
- Kampouris, Alex 1934–1943
- Kane, Frank 1915–1919
- Kane, Harry 1902–1906
- Kane, Jerry 1890–1890
- Kane, Jim 1908–1908
- Kane, John 1907–1910
- Kane, Tom 1938–1938
- Kanehl, Rod 1962–1964
- Kang, Jung Ho 2015–2019
- Kantlehner, Erv 1914–1916
- Kapler, Gabe 1998–2010
- Kappel, Henry 1887–1889
- Kappel, Joe 1884–1890
- Kaprielian, James 2020–
- Karcher, Ricky 2023–2023
- Karchner, Matt 1995–2000
- Kardow, Paul 1936–1936
- Karger, Ed 1906–1911
- Karinchak, James 2019–
- Karkovice, Ron 1986–1997
- Karl, Andy 1943–1947
- Karl, Scott 1995–2000
- Karlon, Bill 1930–1930
- Karns, Bill 1901–1901
- Karns, Nate 2013–2019
- Karnuth, Jason 2001–2005
- Karow, Marty 1927–1927
- Karp, Ryan 1995–1997
- Karpel, Herb 1946–1946
- Karr, Benn 1920–1927
- Karros, Eric 1991–2004
- Karros, Kyle 2025–
- Karsay, Steve 1993–2006
- Karst, John 1915–1915
- Karstens, Jeff 2006–2012
- Kashiwada, Takashi 1997–1997
- Kasko, Eddie 1957–1966
- Kata, Matt 2003–2009
- Katoh, Gosuke 2022–2022
- Katoll, Jack 1898–1902
- Katt, Ray 1952–1959
- Katz, Bob 1944–1944
- Kauff, Benny 1912–1920
- Kauffman, Dick 1914–1915
- Kauffman, Ewing
- Kauffmann, Karl 2023–2023
- Kaufman, Curt 1982–1984
- Kaufmann, Tony 1921–1935
- Kavadas, Niko 2024–
- Kavanagh, Charlie 1914–1914
- Kavanagh, Leo 1914–1914
- Kavanagh, Marty 1914–1918
- Kawakami, Kenshin 2009–2010
- Kawasaki, Munenori 2012–2016
- Kay, Anthony 2019–
- Kay, Bill 1907–1907
- Kaye, Justin 2002–2002
- Kayfus, C. J. 2025–
- Kazak, Eddie 1948–1952
- Kazanski, Ted 1953–1958
- Kazmar, Sean 2008–2021
- Kazmir, Scott 2004–2021
- Keagle, Greg 1996–1998
- Kealey, Steve 1968–1973
- Keane, Johnny
- Keane, W. L.
- Kearney, Bob 1979–1987
- Kearns,
- Kearns, Austin 2002–2013
- Kearns, Teddy 1920–1925
- Kearns, Tom 1880–1884
- Kearse, Eddie 1942–1942
- Keas, Ed 1888–1888
- Keaschall, Luke 2025–
- Keating, Bob 1887–1887
- Keating, Ray 1912–1919
- Keating, Walter 1913–1926
- Keatley, Greg 1981–1981
- Keck, Cactus 1922–1923
- Keedy, Pat 1985–1989
- Keefe, Bobby 1907–1912
- Keefe, Dave 1917–1922
- Keefe, George 1886–1891
- Keefe, John 1890–1890
- Keefe, Tim 1880–1893
- Keegan, Bob 1953–1958
- Keegan, Ed 1959–1962
- Keeler, Willie 1892–1910
- Keeley, Burt 1908–1909
- Keeling, Ben
- Keely, Bob 1944–1945
- Keen, Bill 1911–1911
- Keen, Vic 1918–1927
- Keenan, Jack 1891–1891
- Keenan, Jim 1875–1891
- Keenan, Jimmie 1920–1921
- Keener, Harry 1896–1896
- Keener, Jeff 1982–1983
- Keener, Joe 1976–1976
- Keerl, George 1875–1875
- Keesey, Jim 1925–1930
- Keeton, Eugene
- Keeton, Rickey 1980–1981
- Keffer, Frank 1890–1890
- Kehn, Chet 1942–1942
- Keifer, Katsy 1914–1914
- Keirsey, DaShawn 2024–
- Keisler, Randy 2000–2007
- Keister, Bill 1896–1903
- Keith, Colt 2024–
- Kekich, Mike 1965–1977
- Kela, Keone 2015–2021
- Kelb, George 1898–1898
- Kelenic, Jarred 2021–
- Keliher, Mickey 1911–1912
- Kell, George 1943–1957
- Kell, Skeeter 1952–1952
- Kelleher, Duke 1916–1916
- Kelleher, Frankie 1942–1943
- Kelleher, Hal 1935–1938
- Kelleher, John 1912–1924
- Kelleher, Mick 1972–1982
- Keller, Brad 2018–
- Keller, Charlie 1939–1952
- Keller, Hal 1949–1952
- Keller, Kris 2002–2002
- Keller, Kyle 2019–2021
- Keller, Mitch 2019–
- Keller, Ron 1966–1968
- Kellert, Frank 1953–1956
- Kellett, Al 1923–1924
- Kellett, Red 1934–1934
- Kelley, Dick 1964–1971
- Kelley, Harry 1925–1939
- Kelley, Joe 1891–1908
- Kelley, Mike 1899–1899
- Kelley, Shawn 2009–2019
- Kelley, Tom 1964–1973
- Kelley, Trevor 2019–
- Kelliher, Frank 1919–1919
- Kellman, Leon
- Kellner, Alex 1948–1959
- Kellner, Walt 1952–1953
- Kellogg, Al 1908–1908
- Kellogg, Bill 1914–1914
- Kellogg, Nate 1885–1885
- Kellum, Win 1901–1905
- Kelly, Bill 1871–1871
- Kelly, Billy 1910–1913
- Kelly, Bob 1951–1958
- Kelly, Bryan 1986–1987
- Kelly, Carson 2016–
- Kelly, Casey 2012–
- Kelly, Charlie 1883–1886
- Kelly, Don 2007–2016
- Kelly, Ed 1914–1914
- Kelly, George 1915–1932
- Kelly, Herb 1914–1915
- Kelly, Honest John 1879–1884
- Kelly, Jim 1914–1918
- Kelly, Joe 1914–1919
- Kelly, John 1879–1884
- Kelly, Kenny 2000–2005
- Kelly, Kevin 2023–
- Kelly, Kick 1879–1879
- Kelly, King 1878–1893
- Kelly, Merrill 2019–
- Kelly, Michael 2022–
- Kelly, Mike 1926–1926
- Kelly, Pat 1967–1981
- Kelly, Red 1910–1910
- Kelly, Ren 1923–1923
- Kelly, Roberto 1987–2000
- Kelly, Ryan 2015–2015
- Kelly, Speed 1909–1909
- Kelly, Tom 1975–1975
- Kelly, Ty 2016–2018
- Kelly, Van 1969–1970
- Kelly, W. H.
- Kelly, William
- Kelly, Zack 2022–
- Kelsey,
- Kelsey, Billy 1907–1907
- Kelso, Bill 1964–1968
- Keltner, Ken 1937–1950
- Kelton, David 2003–2004
- Kelty, John 1890–1890
- Kemmer, Bill 1895–1895
- Kemmerer, Russ 1954–1963
- Kemmler, Rudy 1879–1889
- Kemner, Dutch 1929–1929
- Kemp, Ducky
- Kemp, Gabby
- Kemp, George
- Kemp, John
- Kemp, Matt 2006–2020
- Kemp, Otto 2025–
- Kemp, Steve 1977–1988
- Kemp, Tony 2016–2024
- Kendall, Fred 1969–1980
- Kendall, Jason 1996–2010
- Kenders, Al 1961–1961
- Kendrick, Howie 2006–2020
- Kendrick, Kyle 2007–2017
- Kenna, Ed 1902–1902
- Kenna, Eddie 1928–1928
- Kennard, Dan
- Kennedy, Adam 1999–2012
- Kennedy, Bill 1942–1947
- Kennedy, Bob 1939–1957
- Kennedy, Brett 2018–2023
- Kennedy, Brickyard 1892–1903
- Kennedy, Buddy 2022–
- Kennedy, Doc 1879–1883
- Kennedy, Ed 1883–1886
- Kennedy, Ian 2007–2023
- Kennedy, Jim 1970–1970
- Kennedy, Joe 2001–2007
- Kennedy, John 1957–1957
- Kennedy, Junior 1974–1983
- Kennedy, Kevin
- Kennedy, Monty 1946–1953
- Kennedy, Ray 1916–1916
- Kennedy, Sherman 1902–1902
- Kennedy, Ted 1885–1886
- Kennedy, Terry 1978–1991
- Kennedy, Vern 1934–1945
- Kenney, Art 1938–1938
- Kenney, Jerry 1967–1973
- Kenney, John 1872–1872
- Kensing, Logan 2004–2016
- Kent, Ed 1884–1884
- Kent, Jeff 1992–2008
- Kent, Maury 1912–1913
- Kent, Steve 2002–2002
- Kent, Zak 2025–
- Kenwood,
- Kenworthy, Dick 1962–1968
- Kenworthy, Duke 1912–1917
- Kenyon, Harry
- Keough, Joe 1968–1973
- Keough, Marty 1956–1966
- Keough, Matt 1977–1986
- Kepler, Max 2015–
- Keppel, Bobby 2006–2009
- Keppinger, Jeff 2004–2013
- Kepshire, Kurt 1984–1986
- Kerfeld, Charlie 1985–1990
- Keriazakos, Gus 1950–1955
- Kerins, John 1884–1890
- Kerkering, Orion 2023–
- Kerlin, Orie 1915–1915
- Kern, Bill 1962–1962
- Kern, Jim 1974–1986
- Kernan, Joe 1873–1873
- Kernek, George 1965–1966
- Kerner, John
- Kerns, Russ 1945–1945
- Kerr, Buddy 1943–1951
- Kerr, Dickey 1919–1925
- Kerr, Doc 1914–1915
- Kerr, John 1923–1934
- Kerr, Mel 1925–1925
- Kerr, Ray 2022–
- Kerrigan, Joe 1976–1980
- Kerry,
- Kershaw, Clayton 2008–
- Kershner, Jason 2002–2004
- Kerwin, Dan 1903–1903
- Kessinger, Don 1964–1979
- Kessinger, Grae 2023–
- Kessinger, Keith 1993–1993
- Kessler,
- Kessler, Henry 1873–1877
- Kester, Rick 1968–1970
- Ketchum, Fred 1899–1901
- Ketchum, Gus 1922–1922
- Ketter, Phil 1912–1912
- Keuchel, Dallas 2012–
- Keupper, Henry 1914–1914
- Key, Jimmy 1984–1998
- Keys, Red
- Keys, Robert
- Keyser, Brian 1995–1996
- Khalifa, Sam 1985–1987
- Kibbie, Horace 1925–1925
- Kibble, Jack 1912–1912
- Kickham, Mike 2013–2021
- Kida, Masao 1999–2005
- Kieboom, Carter 2019–
- Kieboom, Spencer 2016–2018
- Kiecker, Dana 1990–1991
- Kiefer, Joe 1920–1926
- Kiefer, Mark 1993–1996
- Kiefer, Steve 1984–1989
- Kiekhefer, Dean 2016–2018
- Kielty, Bobby 2001–2007
- Kiely, John 1991–1993
- Kiely, Leo 1951–1960
- Kienzle, Bill 1882–1884
- Kiermaier, Kevin 2013–2024
- Kieschnick, Brooks 1996–2004
- Kieschnick, Roger 2013–2014
- Kiger, Mark 2006–2006
- Kikuchi, Yusei 2019–
- Kilby, Brad 2009–2010
- Kilduff, Pete 1917–1921
- Kile, Darryl 1991–2002
- Kiley, John 1884–1891
- Kilgus, Paul 1987–1993
- Kilhullen, Pat 1914–1914
- Kilian, Caleb 2022–
- Kilkenny, Mike 1969–1973
- Killebrew, Harmon 1954–1975
- Killeen, Evans 1959–1959
- Killeen, Henry 1891–1891
- Killefer, Bill 1909–1921
- Killefer, Red 1907–1916
- Killen, Frank 1891–1900
- Killian, Ed 1903–1910
- Killilay, Jack 1911–1911
- Kilome, Franklyn 2020–2020
- Kilroy, Matt 1886–1898
- Kilroy, Mike 1888–1891
- Kim, Byung-Hyun 1999–2007
- Kim, Ha-Seong 2021–
- Kim, Hyeseong 2025–
- Kim, Hyun Soo 2016–2017
- Kim, Kwang Hyun 2020–2021
- Kim, Sun-Woo 2001–2006
- Kimball, Cole 2011–2011
- Kimball, Gene 1871–1871
- Kimball, Newt 1937–1943
- Kimber, Sam 1884–1885
- Kimberlin, Harry 1936–1939
- Kimble, Dick 1945–1945
- Kimbo, Howard
- Kimbrel, Craig 2010–
- Kimbro, Henry
- Kimbro, Ted
- Kimbrough, Larry
- Kime, Hal 1920–1920
- Kimm, Bruce 1976–1980
- Kimmick, Wally 1919–1926
- Kimsey, Chad 1929–1936
- Kinard, Roosevelt
- Kincannon, Harry
- Kindall, Jerry 1956–1965
- Kinder, Ellis 1946–1957
- Kindle, Bill
- Kine,
- Kiner, Ralph 1946–1955
- Kiner-Falefa, Isiah 2018–
- King,
- King, Bob
- King, Brennan
- King, Bryan 2024–
- King, Charlie
- King, Chick 1954–1959
- King, Clyde 1944–1953
- King, Curtis 1997–1999
- King, Dolly
- King, Earnest
- King, Eric 1986–1992
- King, Hal 1967–1974
- King, Jeff 1989–1999
- King, Jim 1955–1967
- King, John 2020–
- King, Kevin 1993–1995
- King, Lee 1916–1919
- King, Lynn 1935–1939
- King, Marshall 1871–1872
- King, Mike 2019–
- King, Nelson 1954–1957
- King, Ray 1999–2008
- King, Richard
- King, Sam 1884–1884
- King, Silver 1886–1897
- King, Steve 1871–1872
- King, Wilbert
- Kingdon, Wes 1932–1932
- Kingery, Mike 1986–1996
- Kingery, Scott 2018–2022
- Kingham, Nick 2018–2019
- Kingman, Brian 1979–1983
- Kingman, Dave 1971–1986
- Kingman, Harry 1914–1914
- Kingsale, Gene 1996–2003
- Kinkade, Mike 1998–2003
- Kinley, Tyler 2018–
- Kinloch, Billy 1895–1895
- Kinney, Dennis 1978–1982
- Kinney, Josh 2006–2012
- Kinney, Matt 2000–2005
- Kinney, Walt 1918–1923
- Kinnunen, Mike 1980–1987
- Kinsella, Bob 1919–1920
- Kinsella, Ed 1905–1910
- Kinsler, Ian 2006–2019
- Kinsler, William 1893–1893
- Kinslow, Tom 1886–1898
- Kintzler, Brandon 2010–2021
- Kinzer, Matt 1989–1990
- Kinzie, Walt 1882–1884
- Kinzy, Harry 1934–1934
- Kipnis, Jason 2011–2020
- Kipp, Fred 1957–1960
- Kipper, Bob 1985–1992
- Kipper, Thornton 1953–1955
- Kippert, Ed 1914–1914
- Kirby,
- Kirby, Clay 1969–1976
- Kirby, George 2022–
- Kirby, Jim 1949–1949
- Kirby, John 1884–1888
- Kirby, LaRue 1912–1915
- Kirby, Wayne 1991–1998
- Kircher, Mike 1919–1921
- Kirilloff, Alex 2021–2024
- Kirk, Alejandro 2020–
- Kirk, Bill 1961–1961
- Kirk, Tom 1947–1947
- Kirke, Jay 1910–1918
- Kirkland, Willie 1958–1966
- Kirkman, Michael 2010–2016
- Kirkpatrick, Ed 1962–1977
- Kirkpatrick, Enos 1912–1915
- Kirksey, Ivy
- Kirksieck, Bill 1939–1939
- Kirkwood, Don 1974–1978
- Kirrene, Joe 1950–1954
- Kirsch, Harry 1910–1910
- Kiser, Garland 1991–1991
- Kish, Ernie 1945–1945
- Kisinger, Rube 1902–1903
- Kison, Bruce 1971–1985
- Kissinger, Bill 1895–1897
- Kitchen, Austin 2024–
- Kitson, Frank 1898–1907
- Kitsos, Chris 1954–1954
- Kittle, Ron 1982–1991
- Kittredge, Andrew 2017–
- Kittridge, Malachi 1890–1906
- Kivlehan, Patrick 2016–2021
- Kjerstad, Heston 2023–
- Klaerner, Hugo 1934–1934
- Klages, Fred 1966–1967
- Klassen, Danny 1998–2003
- Klaus, Billy 1952–1963
- Klaus, Bobby 1964–1965
- Klawitter, Al 1909–1913
- Klawitter, Tom 1985–1985
- Klee, Ollie 1925–1925
- Klein, Chuck 1928–1944
- Klein, Lou 1943–1951
- Klein, Phil 2014–2016
- Klein, Will 2024–
- Kleine, Hal 1944–1945
- Kleinhans, Ted 1934–1938
- Kleinke, Norbert 1935–1937
- Kleinow, Red 1904–1911
- Klem, Bill
- Klepfer, Ed 1911–1919
- Klesko, Ryan 1992–2007
- Kleven, Jay 1976–1976
- Klieman, Ed 1943–1950
- Klimchock, Lou 1958–1970
- Klimkowski, Ron 1969–1972
- Kline, Bob 1930–1934
- Kline, Bobby 1955–1955
- Kline, Branden 2019–2020
- Kline, Ron 1952–1970
- Kline, Steve 1970–1977
- Kling, Bill 1891–1895
- Kling, Johnny 1900–1913
- Kling, Rudy 1902–1902
- Klingenbeck, Scott 1994–1998
- Klinger, Bob 1938–1947
- Klinger, Joe 1927–1930
- Klink, Joe 1987–1996
- Klippstein, Johnny 1950–1967
- Klobedanz, Fred 1896–1902
- Klobosits, Gabe 2021–2021
- Kloffenstein, Adam 2024–
- Klopp, Stan 1944–1944
- Kloza, John 1931–1932
- Kluber, Corey 2011–2023
- Klugmann, Joe 1921–1925
- Klumpp, Elmer 1934–1937
- Klusman, Billy 1888–1890
- Kluszewski, Ted 1947–1961
- Klutts, Mickey 1976–1983
- Kluttz, Clyde 1942–1952
- Kmak, Joe 1993–1995
- Knabe, Otto 1905–1916
- Knack, Landon 2024–
- Knackert, Brent 1990–1996
- Knapp, Andrew 2017–2024
- Knapp, Chris 1975–1980
- Knaupp, Cotton 1910–1911
- Knauss, Frank 1890–1895
- Knebel, Corey 2014–2022
- Knehr, Reiss 2021–
- Kneisch, Rudy 1926–1926
- Knell, Phil 1888–1895
- Knepper, Bob 1976–1990
- Knepper, Charlie 1899–1899
- Knerr, Lou 1945–1947
- Knetzer, Elmer 1909–1917
- Knicely, Alan 1979–1986
- Knickerbocker, Austin 1947–1947
- Knickerbocker, Bill 1933–1942
- Knight, Brandon 2001–2008
- Knight, Dave
- Knight, Dusten 2021–2022
- Knight, George 1875–1875
- Knight, Jack 1922–1927
- Knight, Joe 1884–1890
- Knight, John 1905–1913
- Knight, Lon 1875–1885
- Knight, Ray 1974–1988
- Knisely, Pete 1912–1915
- Knizner, Andrew 2019–
- Knoblauch, Chuck 1991–2002
- Knode, Mike 1920–1920
- Knode, Ray 1923–1926
- Knodell, Jake 1874–1878
- Knoedler, Justin 2004–2006
- Knoll, Punch 1905–1905
- Knolls, Hub 1906–1906
- Knoop, Bobby 1964–1972
- Knorr, Randy 1991–2001
- Knothe, Fritz 1932–1933
- Knothe, George 1932–1932
- Knott, Eric 2001–2003
- Knott, Jack 1933–1946
- Knott, Jon 2004–2007
- Knotts, Gary 2001–2004
- Knotts, Joe 1907–1907
- Knouff, Ed 1885–1889
- Knowles, Darold 1965–1980
- Knowles, Jimmy 1884–1892
- Knowlson, Tom 1915–1915
- Knowlton, Bill 1920–1920
- Knox, Andy 1890–1890
- Knox, Cliff 1924–1924
- Knox, John 1972–1975
- Knudsen, Kurt 1992–1994
- Knudson, Guido 2015–2015
- Knudson, Mark 1985–1993
- Koback, Nick 1953–1955
- Kobayashi, Masahide 2008–2009
- Kobel, Kevin 1973–1980
- Kobernus, Jeff 2013–2014
- Koch, Alan 1963–1964
- Koch, Barney 1944–1944
- Koch, Billy 1999–2004
- Koch, Grant 2024–
- Koch, Matt 2016–
- Kochanowicz, Jack 2024–
- Kocher, Brad 1912–1916
- Koecher, Dick 1946–1948
- Koegel, Pete 1970–1972
- Koehler, Ben 1905–1906
- Koehler, Pip 1925–1925
- Koehler, Tom 2012–2017
- Koelling, Brian 1993–1993
- Koenecke, Len 1932–1935
- Koenig, Jared 2022–
- Koenig, Mark 1925–1936
- Koenigsmark, Will 1919–1919
- Koerner, Brody 2021–2021
- Koestner, Elmer 1910–1914
- Kohler, Henry 1871–1874
- Kohlman, Joe 1937–1938
- Kohlmeier, Ryan 2000–2001
- Kohlwey, Taylor 2023–2023
- Kohn, Michael 2010–2015
- Kokos, Dick 1948–1954
- Kolarek, Adam 2017–
- Kolb, Brandon 2000–2001
- Kolb, Danny 1999–2007
- Kolb, Eddie 1899–1899
- Kolb, Gary 1960–1969
- Kolek, Stephen 2024–
- Kolloway, Don 1940–1953
- Kolozsvary, Mark 2022–
- Kolp, Ray 1921–1934
- Kolseth, Karl 1915–1915
- Kolstad, Hal 1962–1963
- Komatsu, Erik 2012–2012
- Komine, Shane 2006–2007
- Komiyama, Satoru 2002–2002
- Kommers, Fred 1913–1914
- Komminsk, Brad 1983–1991
- Konerko, Paul 1997–2014
- Konetchy, Ed 1907–1921
- Konieczny, Doug 1973–1977
- Konikowski, Alex 1948–1954
- Konnick, Mike 1909–1910
- Konopka, Bruce 1942–1946
- Konstanty, Jim 1944–1956
- Kontos, George 2011–2018
- Konuszewski, Dennis 1995–1995
- Koo, Dae-Sung 2005–2005
- Koob, Ernie 1915–1919
- Koonce, Cal 1962–1971
- Koonce, Graham 2003–2003
- Koons, Harry 1884–1884
- Koosman, Jerry 1967–1985
- Kopacz, George 1966–1970
- Kopech, Michael 2018–
- Kopf, Larry 1913–1923
- Kopf, Wally 1921–1921
- Koplitz, Howie 1961–1966
- Koplove, Mike 2001–2007
- Kopp, Merlin 1915–1919
- Koppe, Joe 1958–1965
- Kopshaw, George 1923–1923
- Korcheck, Steve 1954–1959
- Korecky, Bobby 2008–2014
- Kores, Art 1915–1915
- Korince, George 1966–1967
- Koronka, John 2005–2009
- Korwan, Jim 1894–1897
- Kosco, Andy 1965–1974
- Koshansky, Joe 2007–2008
- Koshorek, Clem 1952–1953
- Koski, Bill 1951–1951
- Koskie, Corey 1998–2006
- Koslo, Dave 1941–1955
- Koslofski, Kevin 1992–1996
- Kosman, Mike 1944–1944
- Koss, Christian 2025–
- Kostal, Joe 1896–1896
- Koster, Fred 1931–1931
- Kostro, Frank 1962–1969
- Kotchman, Casey 2004–2013
- Kotsay, Mark 1997–2013
- Kottaras, George 2008–2014
- Koufax, Sandy 1955–1966
- Koukalik, Josef 1904–1904
- Koupal, Lou 1925–1937
- Kouzmanoff, Kevin 2006–2014
- Kowalik, Fabian 1932–1936
- Kowar, Jackson 2021–
- Kowitz, Brian 1995–1995
- Koy, Ernie 1938–1942
- Kozar, Al 1948–1950
- Kozlowski, Ben 2002–2002
- Kozma, Pete 2011–2021
- Kracher, Joe 1939–1939
- Kraemer, Joe 1989–1990
- Kraft, Clarence 1914–1914
- Krakauskas, Joe 1937–1946
- Kralick, Jack 1959–1967
- Kraly, Steve 1953–1953
- Kramer, Jack 1939–1951
- Kramer, Kevin 2018–2019
- Kramer, Randy 1988–1992
- Kramer, Tom 1991–1993
- Kranepool, Ed 1962–1979
- Kranick, Max 2021–2022
- Kranson, Floyd
- Krapp, Gene 1911–1915
- Kratz, Erik 2010–2020
- Kraus, Jack 1943–1946
- Krause, Charlie 1901–1901
- Krause, Harry 1908–1912
- Krauss, Marc 2013–2015
- Krausse, Lew 1931–1932
- Kravec, Ken 1975–1982
- Kravetz, Evan 2024–
- Kravitz, Danny 1956–1960
- Krawczyk, Ray 1984–1989
- Kreeger, Frank 1884–1884
- Kreevich, Mike 1931–1945
- Krehbiel, Joey 2018–
- Krehmeyer, Charlie 1884–1885
- Kreidler, Ryan 2022–
- Kreitner, Mickey 1943–1944
- Kreitz, Ralph 1911–1911
- Kremer, Dean 2020–
- Kremer, Ray 1924–1933
- Kremers, Jimmy 1990–1990
- Kremmel, Jim 1973–1974
- Krenchicki, Wayne 1979–1986
- Kress, Chuck 1947–1954
- Kress, Red 1927–1946
- Kretlow, Lou 1946–1956
- Kreuger, Rick 1975–1978
- Kreuter, Chad 1988–2003
- Kreutzer, Frank 1962–1969
- Krichell, Paul 1911–1912
- Krieg, Bill 1884–1887
- Krieger, Kurt 1949–1951
- Kriske, Brooks 2020–
- Krist, Howie 1937–1946
- Kristofak, Zac 2024–
- Krivda, Rick 1995–1998
- Krizan, Jason 2022–2022
- Krock, Gus 1888–1890
- Kroeger, Josh 2004–2004
- Kroenke, Zach 2010–2011
- Kroh, Rube 1906–1912
- Krol, Ian 2013–2021
- Krol, Jack
- Kroll, Gary 1964–1969
- Kroner, John 1935–1938
- Krook, Matt 2023–
- Kroon, Marc 1995–2004
- Krsnich, Mike 1960–1962
- Krsnich, Rocky 1949–1953
- Krueger, Bill 1983–1995
- Krueger, Ernie 1913–1925
- Krueger, Otto 1899–1905
- Krug, Chris 1965–1969
- Krug, Gene 1981–1981
- Krug, Henry 1902–1902
- Krug, Marty 1912–1922
- Kruger, Abe 1908–1908
- Kruger, Art 1907–1915
- Kruger, Jack 2021–2021
- Kruk, John 1986–1995
- Krukow, Mike 1976–1989
- Krumm, Al 1889–1889
- Kryhoski, Dick 1949–1955
- Krynzel, Dave 2004–2005
- Kubek, Tony 1957–1965
- Kubel, Jason 2004–2014
- Kubenka, Jeff 1998–1999
- Kubiak, Ted 1967–1976
- Kubinski, Tim 1997–1999
- Kubiszyn, Jack 1961–1962
- Kubitza, Kyle 2015–2015
- Kubski, Gil 1980–1980
- Kucab, Johnny 1950–1952
- Kucek, Jack 1974–1980
- Kucks, Johnny 1955–1960
- Kuczek, Steve 1949–1949
- Kuczynski, Bert 1943–1943
- Kuehl, Karl
- Kuehne, Bill 1883–1892
- Kuenn, Harvey 1952–1966
- Kuhaulua, Fred 1977–1981
- Kuhel, Joe 1930–1947
- Kuhl, Chad 2016–
- Kuhn, Bowie
- Kuhn, Bub 1924–1924
- Kuhn, Kenny 1955–1957
- Kuhn, Walt 1912–1914
- Kuhnel, Joel 2019–
- Kuhns, Charlie 1897–1899
- Kuiper, Duane 1974–1985
- Kull, Jack 1909–1909
- Kume, Mike 1955–1955
- Kunkel, Bill 1961–1963
- Kunkel, Jeff 1984–1992
- Kuntz, Rusty 1979–1985
- Kunz, Earl 1923–1923
- Kunz, Eddie 2008–2008
- Kuo, Hung-Chih 2005–2011
- Kuroda, Hiroki 2008–2014
- Kurosaki, Ryan 1975–1975
- Kurowski, Whitey 1941–1949
- Kurtz, Hal 1968–1968
- Kurtz, Nick 2025–
- Kusel, Ed 1909–1909
- Kush, Emil 1941–1949
- Kusick, Craig 1973–1979
- Kusnyer, Art 1970–1978
- Kustus, Jules 1909–1909
- Kutcher, Randy 1986–1990
- Kutina, Joe 1911–1912
- Kutyna, Marty 1959–1962
- Kutzler, Jerry 1990–1990
- Kuwata, Masumi 2007–2007
- Kuzava, Bob 1946–1957
- Kvasnak, Al 1942–1942
- Kwan, Steven 2022–
- Kyle, Andy 1912–1912