Larcher is a surname. Notable people with the surname include:
Christian Larcher Francisco Larcher, the current Argentine Subsecretary of Intelligence Gérard Larcher (born 1949), French politician, former President of the Senate Michelle Larcher de Brito (born 1993), Portuguese tennis player Pierre Henri Larcher (1726–1812), French classical scholar and archaeologist Rolf Larcher (born 1934), Swiss rower who competed in the 1960 Summer Olympics Serge Larcher (born 1945), member of the Senate of France, representing the island of Martinique Thomas Larcher (born 1963), Austrian composer and pianist
See also Château-Larcher, commune in the Vienne department in the Poitou-Charentes region in western France