John O'Farrell

John O'Farrell may refer to:

• John O'Farrell (author) (born 1962), British author, broadcaster and political campaigner
• John O'Farrell (politician) (1826–1892), Canadian politician
• John O'Farrell (venture capitalist), Irish American venture capitalist
• John A. O'Farrell (1823–1900), Irish American adventurer, miner

See also

• J. T. O'Farrell (died 1971), Irish politician and trade union official
• John Farrell (disambiguation)