Callow is an English surname. Notable people with the surname include:

Christos Callow (born 1955), Greek singer Eleanor Callow (1927–1974), Canadian baseball player Henry Callow (died 2006), Manx judge Keith M. Callow (1925–2008), Associate Justice of the Washington Supreme Court Kenneth Callow (1901–1983), British biochemist Paul Callow (born c. 1955), convicted Canadian rapist Simon Callow (born 1949), English actor William Callow, (1812–1908), British painter William G. Callow (1921–2018), Associate Justice of the Wisconsin Supreme Court

Fictional characters June Callow, fictional character in Black Mirror Michael Callow, fictional character in Black Mirror

See also Charlie Calow (1931–2024), Northern Irish footballer