John Farrell may refer to:
- in sports
- John Farrell (manager) (born 1962), American Major League Baseball manager
- John Farrell (second baseman) (1876–1921), American Major League Baseball infielder
- John Farrell (speed skater) (1906–1994), American Olympic skater and coach
- John Farrell (hurler) (born 1961), Irish hurler
- John Farrell (sport shooter) (born 1954), New Zealand sports shooter
- Johnny Farrell (1901–1988), American golfer
- Other people
- John Farrell (bishop) (1820–1873), Canadian Roman Catholic bishop
- John Farrell (Australian poet) (1851–1904), Australian journalist and poet
- John Farrell (poet) (1968–2010), American poet and composer
- John Farrell (VC) (1826–1865), Irish Victoria Cross winner
- John A. Farrell, American reporter, and biographer
- John H. Farrell (1919–1995), New York politician
- John S. Farrell (1880–1938), mayor of Green Bay, Wisconsin
- John J. Farrell (1872–1946), Dairy and Food Commissioner of Minnesota
- John J. Farrell (Lord Mayor of Dublin) (1871–1954), Lord Mayor of Dublin
See also
edit- Jack Farrell (disambiguation)
- John Farrell Easmon (1856–1900), Krio doctor
- John Ferrell (disambiguation)
- John O'Farrell (disambiguation)