John Avery may refer to:

• John Avery (MP for Old Sarum) (1362–1397), MP for Old Sarum
• John Avery (MP for Weymouth) (fl. 1393), MP for Weymouth
• John Avery Jr. (1739–1806), American politician; first Massachusetts Secretary of the Commonwealth
• John Avery (politician) (1824–1914), American physician and U.S. representative from Michigan
• John Avery (lawyer) (born 1948), Australian barrister

• Henry Every (alias "John Avery", 1659–after 1699), English pirate
• John Avery (organ builder) (c. 1755–1807), English organ builder
• Skip Avery (John Thomas Avery, 1923–1990), American baseball player
• John Avery (police officer) (1927–2018), Australian police commissioner
• John Scales Avery (1933–2024), American physicist and chemist
• John Avery (gridiron football) (born 1976), American football player in the NFL and CFL
• John Avery (journalist), Belizean public utilities commissioner and journalist

• Jack Avery (disambiguation)
• Avery John (born 1975), soccer player from Trinidad & Tobago

This disambiguation page lists articles about people with the same name.
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