Swallow is a surname. Notable people with the surname include:
- Alan Swallow (1915–1966), English professor who ran his own publishing company
- Andrew Swallow (born 1987), Australian rules footballer with North Melbourne
- Andy Swallow (1904–1969), Scottish footballer with St Johnstone, Millwall (born Kregsdis, corruption of kregždė, Lithuanian for Swallow)
- Barry Swallow (born 1942), English footballer with Doncaster, Barnsley, Bradford City, York
- David Swallow Australian rules footballer with Gold Coast Suns, brother of Andrew
- Ellen Swallow Richards née Ellen Swallow (1842–1911), American chemist
- Emily Swallow (born 1979), American actress
- Ian Swallow, English cricketer with Yorkshire, Somerset
- James Swallow, British writer
- Jerod Swallow, American figure skater
- Jodie Swallow, British triathlete
- John C. Swallow (born 1923), English oceanographer
- Gregory Swallow, American politician
- Rachel Swallow, archaeologist and castellologist
- Ray Swallow (born 1935), English cricketer with Derbyshire and footballer with Arsenal, Derby County
- Ricky Swallow (born 1974), Australian sculptor
- Roger Swallow (born 1946), British music producer
- Silas C. Swallow (1839–1930), American preacher and politician
- Steve Swallow (born 1940), American jazz bassist and composer