Tremain is a Cornish language surname and, rarely, forename.
Notable people with the surname include: Chris Tremain (born 1966), New Zealand politician Garrick Tremain (1941–2025), New Zealand cartoonist and painter George Tremain (1874–1948), Justice of the Indiana Supreme Court Kel Tremain (1938–1992), New Zealand international rugby player Lyman Tremain (1819–1878), American politician Rose Tremain (born 1943), British historical novelist
Notable people with the forename include: Tremain Mack (born 1974), American football player
See also
Johnny Tremain, 1943 children's novel by Esther Forbes Johnny Tremain (film), based on the novel Tremaine (disambiguation) Tremayne (disambiguation)