Saint John Fisher (c. 1469–1535) was an English religious leader.

John or Jack Fisher may also refer to:

Entertainment John Fisher the elder, and John Fisher the younger (sculptors) (1760s–1839), father and son sculptors in York, England John Abraham Fisher (1744–1806), English violinist John Fisher (opera director) (born 1950), Scottish opera director John Fisher (EastEnders)

Politics John Fisher (writer) (died 1590), bailiff of Warwick and writer, MP for Warwick 1571, 1572, 1584 John Fisher (North American politician) (1806–1882), politician in Canada and the United States John Fisher (New Zealand politician) (1837–1927), New Zealand politician John Henry Fisher (1855–1933), Ontario merchant and politician John Stuchell Fisher (1867–1940), American politician in Pennsylvania

Religion John Fisher (bishop of Salisbury) (1748–1825), English religious leader John Fisher (priest) (1788–1832), Archdeacon of Berkshire

Science John William Fisher (1788–1876), British surgeon John Dix Fisher (1797–1850), American physician, founder of Perkins School for the Blind John W. Fisher (born 1931), American professor of civil engineering John Bradford Fisher (born 1953), cosmetic surgeon John Fisher (biomedical engineer), British biomedical engineer

Sports John Fisher (businessman) (born 1961), American owner of the Athletics of Major League Baseball John Fisher (footballer and cricketer) (1897–1954), English association football and cricket player John Fisher (footballer, born 1937) (1937–1998), Australian rules footballer John Fisher (footballer, born 1941), Australian rules footballer John Fisher (ice hockey) (born 1947), Canadian minor league centre John Fisher (boxer) (born 1942), Scottish boxer

Other people John Fisher (Delaware judge) (1771–1823), District Court judge John Charlton Fisher (1794–1849), Canadian author and journalist John Harvey Fisher (1837–1895), Union Army officer and Medal of Honor recipient John Fisher, 1st Baron Fisher (1841–1920), British admiral John Fisher (Australian journalist) (1910–1960) John Hurt Fisher (1919–2015), American professor of English John R. Fisher (born 1946), District of Columbia Court of Appeals judge John Fisher (social media personality) (born 1973)

Schools England Ss John Fisher and Thomas More Roman Catholic High School, Colne, England St John Fisher Catholic College, in Newcastle-under-Lyme, Staffordshire, England St John Fisher Catholic High School, Harrogate, England St John Fisher Catholic High School, Wigan, England St John Fisher Catholic School, in Chatham, Kent, England St John Fisher Catholic Voluntary Academy, Dewsbury, England The John Fisher School, boys secondary school in Purley, England

Elsewhere St. John Fisher College (University of Tasmania), in Australia St. John Fisher University, in New York

See also John Fischer (disambiguation) Jonathan Fisher (disambiguation) Jackie Fisher (disambiguation) Johann Fischer (disambiguation)