G
- Augie Galan, OF, 1949
- Sean Gallagher, P, 2008-2009
- Mike Gallego, IF, 1985-1991, 1995
- Chick Galloway, IF, 1919-1927
- Bob Ganley, OF, 1909
- Ron Gant, OF, 2001, 2003
- Joe Gantenbein, IF, 1939-1940
- Bob Garbark, C, 1944
- Nomar Garciaparra, IF/DH, 2009
- Rob Gardner, P, 1971, 1973
- Larry Gardner, IF, 1918
- Phil Garner, IF, 1973-1976
- Adrian Garrett, DH, 1971-1972
- Ford Garrison, OF, 1944-1946
- Webster Garrison, IF, 1996
- Ned Garver, P, 1957-1960
- Charlie Gassaway, P, 1945
- Brent Gates, IF, 1993-1996
- Chad Gaudin, P, 2006-2008, 2010
- Doc Gautreau, IF, 1925
- Bob Geary, P, 1918-1919
- Phil Geier, OF, 1901
- Jim Gentile, IF, 1964-1965
- Alex George, IF, 1955
- Greek George, C, 1945
- Steve Gerkin, P, 1945
- Esteban Germán, IF, 2002-2004
- Jason Giambi, IF, 1995-2001, 2009
- Jeremy Giambi, OF, 2000-2002
- Charlie Gibson, C, 1924
- Joe Giebel, C, 1913
- Paul Giel, P, 1961
- Dan Giese, P, 2009
- Bob Giggie, P, 1960, 1962
- Joe Ginsberg, C, 1956
- Keith Ginter, IF, 2005
- Tommy Giordano, IF, 1953
- Dave Giusti, P, 1977
- Tom Glass, P, 1925
- Ryan Glynn, P, 2005
- Graham Godfrey, P, 2012-2012
- Jonny Gomes, OF, 2012
- Carlos González, OF, 2008
- Édgar González, P, 2009
- Gio Gonzalez, P, 2008-
- Orlando González, IF, 1980
- Lee Gooch, OF, 1917
- Danny Goodwin, DH, 1982
- Tom Gorman, P, 1955-1959
- Jim Gosger, OF, 1966-1968
- Rich Gossage, P, 1992-1993
- Billy Grabarkewitz, IF, 1975
- Jason Grabowski, OF, 2002-2003
- Milt Graff, IF, 1957-1958
- Mudcat Grant, P, 1970-1971
- Jeff Gray, P, 2008-2009
- Johnny Gray, P, 1954-1955
- Sam Gray, P, 1924-1927
- Dick Green, IF, 1963-1974
- Joe Green, PH, 1924
- Vean Gregg, P, 1918
- Bill Grevell, P, 1919
- Ben Grieve, OF, 1997-2000
- Lee Griffeth, P, 1946
- A. J. Griffin, P, 2012
- Ivy Griffin, IF, 1919-1921
- Pug Griffin, IF, 1917
- Alfredo Griffin, IF, 1985-1987
- Guido Grilli, P, 1966
- Bob Grim, P, 1958-1959, 1962
- Oscar Grimes, IF, 1946
- Charlie Grimm, IF, 1916
- Lew Groh, IF, 1919
- Buddy Groom, P, 1996-1999
- Gabe Gross, OF, 2010
- Wayne Gross, IF, 1976-1983, 1986
- Johnny Groth, OF, 1956-1957
- Lefty Grove, P, 1925-1933
- Roy Grover, IF, 1916-1919
- Al Grunwald, P, 1959
- Joe Grzenda, P, 1964-1966
- Mike Guerra, C, 1947-1950
- Mario Guerrero, IF, 1978-1980
- José Guillén, OF, 2003
- Ben Guintini, OF, 1950
- Randy Gumpert, P, 1936-1938
- Mark Guthrie, P, 2001
- Johnny Guzman, P, 1991-1992
Read more about this topic: Oakland Athletics All-time Roster