Fellows or Fellowes is a surname.
Notable people with the surname include:
- Ailwyn Fellowes, 1st Baron Ailwyn (1855–1924), British businessman, farmer and politician
- Archie Fellows, English footballer
- Carol Fellowes, 4th Baron Ailwyn (1896–1988), British peer
- Charles Fellows (disambiguation)
- Charlie Fellows (disambiguation)
- Christine Fellows (born 1968), Canadian folk-pop singer-songwriter
- Daisy Fellowes (1890–1962), French socialite
- Darren Fellows (born 1975), British musician
- Deborah Copenhaver Fellows, American sculptor
- Don Fellows (1922–2007), American actor
- Edmund Fellowes (E.H. Fellowes) (1870–1951), English musicologist, cleric and authority on Tudor church music
- Edward Fellowes (parliamentary official) (1895–1970)
- Edwin R. Fellows (1865–1945), founder of the Fellows Gear Shaper Company
- Eric Fellowes, 3rd Baron Ailwyn (1887–1976), British peer
- Frank Fellows (basketball), American basketball coach
- Frank Fellows (politician) (1889–1951), U.S. Representative from Maine
- Gary Fellows (born 1978), English cricketer
- George Byron Lyon-Fellowes (1815–1876), Mayor of Ottawa (1876)
- Graeme Fellowes (1934–2013), Australian rules footballer
- Graham Fellows (born 1959), English comic actor
- Grant Fellows (1865-1929), American jurist
- Harvey Fellows (1826–1907), English cricketer
- James Fellowes (cricketer) (1841–1916), English cricketer
- James Fellowes (lord lieutenant) (1849–1935), English lord lieutenant
- James Fellowes (physician) (1771–1857), English physician
- Jane Fellowes, Baroness Fellowes (born 1957), older sister of Diana, Princess of Wales
- Jonathan Fellows-Smith (1932–2013), former South African cricketer
- John R. Fellows (1832–1896), U.S. Representative from New York
- Julian Fellowes (born 1949), English actor, novelist and screenwriter
- Michael Fellows (born 1952), American academic
- Mike Fellows (musician) (born 1965), American musician
- Newton Fellowes (1772–1854), English politician
- Robert Fellowes, Baron Fellowes (born 1941), Private Secretary to Queen Elizabeth II (1990–1999); brother-in-law of Diana, Princess of Wales
- Robert Fellows (1903–1969), American film producer
- Ron Fellows (born 1959), Canadian racing car driver
- Scott Fellows (born 1965), American television writer and producer
- Stephen Fellows English songwriter
- Stewart Fellows (born 1948), English professional footballer
- Thomas Fellowes (1778-1853), Royal Navy officer during the Napoleonic Wars
- Thomas Hounsom Butler Fellowes (1827–1923), a Royal Navy officer during the Victorian era.
- Walter Fellows (1834–1901), English cricketer
- Warren Fellows (born 1952), Australian convicted of drug trafficking in 1981
- Wes Fellowes (born 1961), Australian Rules Footballer
- William Fellowes, 2nd Baron de Ramsey (1848–1925), British Conservative politician
- William Henry Fellowes (1769–1837), British M.P.