John Gill may refer to:

Sports

• John Gill (cricketer) (1854–1888), New Zealand cricketer
• John Gill (coach) (1898–1997), American football coach
• John Gill (footballer, born 1903), English professional footballer
• John Gill (American football) (born 1986), American football defensive tackle
• John Gill (footballer, born 1941), Australian rules footballer for Carlton
• John Gill (footballer, born 1932) (1932–2003), Australian rules footballer for Essendon
• John Gill (climber) (born 1937), American mathematician famed for his rock-climbing, especially bouldering

Politics

• John Gill (Australian politician) (1823–1889), New South Wales colonial politician
• John Gill Jr. (1850–1918), U.S. Representative from Maryland
• John Gill (trade unionist) (1898–1971), Irish trade unionist and Labour TD

Religion

• John Gill (theologian) (1697–1771), English Baptist minister and Calvinist theologian
• John Glanville Gill (1909–1979), Unitarian minister, scholar, and civil rights activist

Other

• John Gill (printer) (1732–1785), American printer and co-owner of the Boston Gazette
• John Elkington Gill (1821–1874), 19th-century architect
• John Gill (judge) (died 1899), Manx Deemster
• John Gill (actor) (1912–2007), Welsh character actor