Seeley is a variation of the Anglo-Norman Sealy surname. Notable people with the surname include:
- Alastair Seeley (born 1979), Northern Irish motorcycle racer
- Blossom Seeley (1891âÂÂ1974), American vaudeville performer
- Bob Seeley (born 1928), American boogie woogie pianist
- Colin Seeley (1936âÂÂ2020), British motorcycle sidecar racer and motorcycle manufacturer
- D. J. Seeley (born 1989), American basketball player in Europe
- Drew Seeley (born 1982), Canadian actor
- Elias P. Seeley (1791âÂÂ1846), American politician, 11th governor of New Jersey
- George Seeley (footballer) (1877âÂÂ1921), English footballer
- Gerald Seeley (1903âÂÂ1941), English cricketer
- Harry Seeley (1839âÂÂ1909), British paleontologist
- Ken Seeley (born 1962), American television personality
- Janet Seeley (1905âÂÂ1987), American physical educator
- John Seeley (disambiguation)
- Mabel Seeley (1903âÂÂ1991), American mystery book author
- Mildred Seeley (1918âÂÂ2001), American doll collector, doll-related entrepreneur and author on the subject of dolls
- Richard Seeley (born 1979), Canadian ice hockey defenceman
- Robert Seeley (1602âÂÂ1668), Puritan settler in Massachusetts Bay Colony
- Robert Thomas Seeley (1932âÂÂ2016), American mathematician
- Stuart William Seeley (1901âÂÂ1978), American electrical engineer
- Tim Seeley (fl. 2000s), American comic book artist
- Walter Seeley (1941âÂÂ2019), American boxer
- William Henry Harrison Seeley (1840âÂÂ1914), the first American citizen to be awarded the Victoria Cross