Marchant is a surname. Notable people with the surname include:
Chesten Marchant (died 1676), last monoglot Cornish speakerEdward Dalton Marchant (1806–1887), American artistGeorge Marchant (1857–1941), Australian soft-drink manufacturer and philanthropistHenry Marchant (1741–1796), American lawyer and delegate to the Continental Congress (1777 to 1779)Sir Herbert Stanley Marchant 20th Century British diplomat and writerJeremy Marchant Forde (born 1966), English biologistJohn Le Marchant (British Army officer, born 1766) (1766–1812), English major-generalSir John Le Marchant (British Army officer, born 1803) (1803–1874), English general and Governor of NewfoundlandJulio Marchant (born 1980), Argentine football (soccer) playerKaty Marchant (born 1993), British track cyclistKenny Marchant (born 1951), Republican member of US House of RepresentativesStephen Marchant (1912–2003), Australian geologist and amateur ornithologistStephen Marchant (actor), Irish actorTodd Marchant (born 1973), American ice hockey playerTony Marchant (playwright) (born 1959), British playwright and television dramatistWillim "Frenchie" Marchant, Northern Irish loyalist and Ulster Volunteer Force member