James, Jim or Jimmy Farrell may refer to:

• James Farrell (priest) (1803–1869), Irish cleric, first Dean of Adelaide
• James A. Farrell (1863–1943), president of US Steel, 1911–1932
• James Augustine Farrell Jr. (1901–1966) his son, ship operator and owner
• James T. Farrell (1904–1979), American socialist novelist
• J. G. Farrell (James Gordon Farrell, 1935–1979), Anglo-Irish novelist
• James Farrell (television producer), British television executive
• Jimmy Farrell (James Leo Farrell, 1903–1979), Irish rugby player
• Jimmy Farrell (footballer) (1919–2007), Australian rules footballer
• J. P. Farrell (James Patrick Farrell, 1865–1921), Irish nationalist politician and Member of Parliament
• James Farrell (police officer) (c. 1830–?), New Zealand policeman
• W. James Farrell (born 1942), American businessman
• James Esmond Farrell (1909–1968), New Zealand diplomat
• Jimmy Farrell, fictional character in the play The Playboy of the Western World
• Jim Farrell (born 1960), American politician in the state of Minnesota