John Barnett (disambiguation)

John Barnett (1802–1890) was an English composer.

John Barnett may also refer to:

• John Barnett (Australian rules footballer) (born 1975), former Australian rules footballer
• John Barnett (rugby) (1880–1918), Australian rugby union and rugby league player
• John Francis Barnett (1837–1916), English music composer and teacher
• John Davis Barnett (1848–1926), early Canadian curator-librarian
• Jack Barnett (baseball) (1879–1923), baseball player
• John Maughan Barnett (1867–1938), New Zealand organist, choirmaster and conductor
• John W. Barnett (1800–1876), Texas farmer, merchant and community leader
• John Manley Barnett (1917–2013), American conductor
• John Barnett (whistleblower) (1962–2024), Boeing whistleblower

• John Barnet (died 1373), English bishop
• All pages with titles containing John Barnett