Sinnott is a surname. Notable people with the surname include:
Arts and entertainment
- Declan Sinnott (born 1950), Irish-born musician and producer
- Joe Sinnott (1926–2020), American comic book artist
- Kevin Sinnott (born 1947), Welsh painter
- Lillian Sinnott (1890–1914), American actress
- Mack Sennett (born Michael Sinnott) (1880–1960), actor, director and producer
- Paul Sinnott, English drummer
- Richard Sinnott (born 1963), English actor
- Will Sinnott (1960–1991), Scottish musician and songwriter
Politics
- Edward Sinnott (1864–1936), Newfoundland politician
- Herbert Arthur Sinnott (1871–?), 21st mayor of Calgary, Alberta
- John Sinnott (politician) (1905–1960), Liberal Party of Canada member of parliament
- Joseph E. Sinnott (born c. 1966), mayor of Erie, Pennsylvania
- Kathy Sinnott (born 1950), Irish disability rights campaigner and politician
- Nicholas J. Sinnott (1870–1929), US Representative from Oregon
Science
- Edmund Ware Sinnott (1888–1968), American botanist and author
- Rick Sinnott, American biologist
Sports
- Ben Sinnott (born 2002), American football player
- Conor Sinnott (born 1986), Irish footballer
- Garrett Sinnott (born 1987), Irish hurler
- Gerry Sinnott (born 1951), Irish equestrian
- Jordan Sinnott (1994–2020), English footballer
- Lee Sinnott (born 1965), Irish football player and manager
- Nicola Sinnott (born 1987), Irish footballer
- Stellah Sinnott (born 1962), camogie manager
- Todd Sinnott (born 1992), Australian golfer
Other
- John Sinnott (1829–1896), Irish recipient of the Victoria Cross
- Joseph F. Sinnott (1837–1906), Irish businessman who emigrated to Pennsylvania
- Steve Sinnott (1951–2008), British trade unionist
- William Sinnott (1886–1965), American detective and Congressional Gold Medal recipient
See also
Surname listThis page lists people with the surname Sinnott. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link. Categories: