Jim O'Brien may refer to:
Sports Basketball Jim O'Brien (basketball, born 1950), American coach for Emerson College, Ohio State and Boston College Jim O'Brien (basketball, born 1951), American player for the New York Nets and Memphis Sounds Jim O'Brien (basketball, born 1952), American coach for the Boston Celtics, Philadelphia 76ers, and Indiana Pacers
Football and rugby Jim O'Brien (American football) (born 1947), professional football player Jim O'Brien (Australian footballer) (1936–1996), Australian rules footballer for St Kilda Jimmy O'Brien (footballer) (1885–1954), Australian rules footballer for Essendon Jim O'Brien (footballer, born 1987), Scottish footballer Jim O'Brien (rugby, born 1897) (1897–1969), New Zealand dual-code rugby international Jim O'Brien (rugby league, born 1896) (1896–1988), New Zealand rugby league player Jimmy O'Brien (rugby union), Irish rugby union player Jamie O'Brien (footballer) (born 1990), Irish association footballer
Hurling Jim O'Brien (Limerick hurler) (born 1945), Irish hurler for Limerick Jim O'Brien (Tipperary hurler), Irish hurler Jimmy O'Brien (hurler) (born 1937), Irish hurler for Wexford
Other sports Jim O'Brien (ice hockey) (born 1989), American ice hockey center
Other Jim O'Brien (director) (1947–2012), Scottish-born stage and television director Jim O'Brien (reporter) (1939–1983), reporter and television personality Jim O'Brien, founder and CEO of oil spill cleanup company The O'Brien's Group
See also James O'Brien (disambiguation) Jamie O'Brien (disambiguation) Jimmy O'Brien (disambiguation)