Lomas is a territorial surname of English origin, derived from the hamlet of Lumhalghs, near Bury, Greater Manchester, and meaning "pool nook or recess". Notable people with the surname include:

Arts and entertainment

• Andy Lomas (born 1967), British digital artist
• Carmen Lomas Garza (born 1948), Mexican American artist
• Herbert Lomas (actor) (1887–1931), British actor
• Herbert Lomas (poet) (1924–2011), British poet and translator
• James Lomas (actor) (born 1990), English stage actor
• Jamie Lomas (born 1975), English actor
• Kym Lomas (born 1976), English actress and former singer
• Stanley Lomas (1913–2003), American television producer

Politics

• Alf Lomas (1928–2021), British politician
• Kenneth Lomas (1922–2000), British Labour Party politician

Sport

• Anne Lomas (born 1953), New Zealand lawn bowls competitor
• Arthur Lomas (1895–1924), New Zealand cricketer
• Bill Lomas (1928–2007), British motorcycle racer
• Billy Lomas (1885–1976), British footballer
• Bryan Nickson Lomas (born 1990), Malaysian diver
• Claire Lomas (born 1980), British campaigner, fundraiser and former event rider
• Harry Lomas (born 1903, date of death unknown), English amateur footballer
• James Lomas (rugby league) (1879–1960), English rugby league footballer
• Jamie Lomas (footballer) (born 1977), English footballer
• John Lomas (cricketer) (1917–1945), English cricketer
• Jonathan Lomas (born 1968), English golfer
• Lisa Lomas (born 1967), British table tennis player
• Mark Lomas (born 1948), American football defensive lineman
• Mark Lomas (cricketer) (born 1970), English cricketer
• Steve Lomas (born 1974), Northern Irish professional football player
• Tony Lomas (born 1945), British former motorcycle speedway rider

Other

• John Lomas (trade unionist) (1848–1933), New Zealand coalminer, trade unionist and public servant
• Jonathan Lomas (researcher) (born 1952), British-Canadian health researcher
• J. Keith Lomas, British businessman
• Robert Lomas (born 1947), British writer on Freemasonry and academic