K
- Kila Ka'aihue, IF, 2012
- Jeff Kaiser, P, 1985
- Bill Kalfass, P, 1937
- Eric Karros, IF, 2004
- Steve Karsay, P, 1993-1994, 1997, 2006
- Bob Kearney, C, 1981-1983
- Teddy Kearns, IF, 1920
- Dave Keefe, P, 1917-1921
- Ed Keegan, P, 1961
- Vic Keen, P, 1918
- Jim Keesey, IF, 1925-1930
- Randy Keisler, P, 2006
- Skeeter Kell, IF, 1952
- George Kell, IF, 1943-1946
- Al Kellett, P, 1923
- Harry Kelley, P, 1936-1938
- Alex Kellner, P, 1948-1958
- Walt Kellner, P, 1952-1953
- Al Kellogg, P, 1908
- Bill Kelly, IF, 1920
- Ren Kelly, P, 1923
- Jason Kendall, C, 2005-2007
- Ed Kenna, P, 1902
- Adam Kennedy, IF, 2009
- Joe Kennedy, P, 2005-2007
- Matt Keough, P, 1977-1983
- Joe Keough, OF, 1968
- Gus Keriazakos, P, 1955
- Bill Kern, OF, 1962
- Fred Ketcham, OF, 1901
- Gus Ketchum, P, 1922
- Steve Kiefer, IF, 1984-1985
- Bobby Kielty, OF, 2004-2007
- Leo Kiely, P, 1960
- Mark Kiger, IF, 2006
- Brad Kilby, P, 2009-2010
- Mike Kilkenny, P, 1972
- Evans Killeen, P, 1959
- Lee King, OF, 1916
- Mike Kingery, OF, 1992
- Brian Kingman, P, 1979-1982
- Dave Kingman, OF, 1984-1986
- Dennis Kinney, P, 1982
- Walt Kinney, P, 1919-1923
- Mike Kircher, P, 1919
- Bill Kirk, P, 1961
- Tom Kirk, PH, 1947
- Ernie Kish, OF, 1945
- Lou Klein, IF, 1951
- Ed Klieman, P, 1950
- Lou Klimchock, IF, 1958-1961
- Ron Klimkowski, P, 1971
- Bob Kline, P, 1934
- Joe Klink, P, 1990-1991
- Mickey Klutts, IF, 1979-1982
- Lou Knerr, P, 1945-1946
- Austin Knickerbocker, OF, 1947
- Bill Knickerbocker, IF, 1942
- John Knight, IF, 1905-1907
- Jack Knott, P, 1941-1946
- Darold Knowles, P, 1971-1974
- Tom Knowlson, P, 1915
- Bill Knowlton, P, 1920
- Billy Koch, P, 2002
- Don Kolloway, IF, 1953
- Shane Komine, P, 2006-2007
- Brad Komminsk, OF, 1991
- Bruce Konopka, IF, 1942-1946
- Graham Koonce, IF, 2003
- Larry Kopf, IF, 1914-1915
- Merlin Kopp, OF, 1918-1919
- Mark Kotsay, OF, 2004-2007
- George Kottaras, C, 2012
- Kevin Kouzmanoff, IF, 2010-2011
- Harry Krause, P, 1908-1912
- Lew Krausse, P, 1931-1932
- Lew Krausse, Jr., P, 1961-1969
- Danny Kravitz, C, 1960
- Mike Kreevich, OF, 1942
- Lou Kretlow, P, 1956
- Bill Krueger, P, 1983-1986
- Bill Krueger, P, 1987
- Dick Kryhoski, IF, 1955
- Ted Kubiak, IF, 1967-1969, 1972-1975
- Tim Kubinski, P, 1997, 1999
- Johnny Kucab, P, 1950-1952
- Johnny Kucks, P, 1959-1960
- Bert Kuczynski, P, 1943
- John Kull, P, 1909
- Mike Kume, P, 1955
- Bill Kunkel, P, 1961-1962
- Marty Kutyna, P, 1959-1960
Read more about this topic: Oakland Athletics All-time Roster