Sweetman is an Irish surname. Notable people with the name include:

• Aaron Pajich-Sweetman (1998–2016), Australian murder victim

• Bill Sweetman (born 1956), American military historian

• Brendan Sweetman (born 1962), Irish philosopher

• Caroline Sweetman (born 1983), Scottish cricketer

• Courtney Sweetman-Kirk (born 1990), English footballer

• Dan Sweetman (born 1985), Australian television presenter

• David Sweetman (1943–2002), British writer and broadcaster

• Edmund Sweetman (1912–1968), Irish Fine Gael politician

• Elinor Sweetman (c1861–1922), Irish poet and author

• Gerard Sweetman (1908–1970), Irish Fine Gael politician and lawyer

• Harvey Sweetman (1921–2015), New Zealand fighter pilot

• John Sweetman (United Irishman) (1752–1826), Irish brewer and United Irishman

• John Sweetman (1844–1936), Irish politician and former leader of Sinn Féin

• Joseph Sweetman Ames (1864–1943), American physicist, professor and provost at Johns Hopkins University

• Kenneth Sweetman (born 1954), American organist

• Mary Sweetman (1859–1930), Irish novelist

• Maude Sweetman (1877–1943), American politician who served in the Washington State House of Representatives

• Maurice Sweetman (d 1427), 14th-century Archdeacon of Armagh

• Milo Sweetman (died 1380), Irish archbishop

• Rebecca Sweetman, Professor of Ancient History and Archaeology, University of St Andrews

• Richard Sweetman (born 1990), Australian speedway racer

• Rod Sweetman (born 1953), Australian politician

• Roger Sweetman (1874–1954), Irish Fine Gael politician and lawyer

• Roger Sweetman (Newfoundland politician) (died 1862), Newfoundland politician

• Rory Sweetman (born 1956), New Zealand historian

• Tom Sweetman (1873–1945), Australian rules footballer