Colvin is a surname, and may refer to:
- Addison B. Colvin (1858–1939), American banker and politician
- Andrew Colvin, Commissioner of the Australian Federal Police
- Andrew J. Colvin (1808–1889), New York lawyer and politician
- Bobby Colvin (1876–1940), Scottish footballer (Liverpool FC)
- Clare Colvin, British writer
- Claudette Colvin (born 1939), American activist for African American rights
- D. Leigh Colvin (1880–1959), American politician, active in the temperance movement
- Dora Colvin, American trucker, pioneering woman in the occupation
- Douglas Glenn Colvin (1951–2002), real name of American musician Dee Dee Ramone
- Edwin A. Colvin, American politician
- Fred H. Colvin (1867–1965), American machinist and writer
- Harvey Doolittle Colvin (1815–1892), American politician
- Holly Colvin (born 1989), English cricketer
- Howard Colvin (1919–2007), British architectural historian and writer
- Hugh Colvin (1887–1962), British soldier
- Jack Colvin (1934–2005), American actor
- James Colvin (pseudonym), pseudonym used by Michael Moorcock
- James Morris Colquhoun Colvin (1870–1945), British Army officer
- John Colvin (diplomat) (1922–2003), British diplomat and spy
- John O. Colvin (born 1946), American judge
- John Russell Colvin(1807–1857), British administrator in India, and his sons:
- Sir Auckland Colvin (1838–1908), British civil servant in India, Turkey, and Egypt; founder of Colvin Taluqdars' College
- Walter Mytton Colvin (1847–1908), British colonial administrator
- Kathryn Colvin (born 1945), British diplomat
- Marie Colvin (1957–2012), American journalist
- Mark Colvin (1952–2017), Australian broadcaster
- Mary Colvin (1907–1988), director of the British Women's Royal Army Corps
- Michael Colvin (1932–2000), British MP
- Monty Colvin, American musician in the band Galactic Cowboys
- Sir Ragnar Colvin (1882–1954), British and Australian admiral
- Richard Colvin (UK MP) (1856–1936), British MP
- Richard Colvin (diplomat) (born 1969), Canadian diplomat of British birth
- Rosevelt Colvin (born 1977), American football player
- Sarah Colvin (born 1967), British scholar of German, literary theory, and gender studies
- Sarah Tarleton Colvin (1865-1949), American nurse and activist
- Shawn Colvin (born 1956), American musician
- Sir Sidney Colvin (1845–1927), British critic, curator, and friend of Robert Louis Stevenson
- Verplanck Colvin (1847–1920), American surveyor and champion of the Adirondacks
