Coste is a surname. Notable people with the surname include:
Alert V. Coste, Assistant Secretary of the Navy (Financial Management and Comptroller) (January 10, 1993 – December 11, 1993)Alexandre Coste (born 2003) is the son of Albert II, Prince of Monaco and Nicole CosteCarlos Coste (born 1976), a free-diver from VenezuelaCharles Coste (born 1924), a French cyclistChristian Coste (born 1949), a former professional French footballerChristopher Robert Coste (born 1973), an author and Major League Baseball catcherClaudio Di Coste (born 1954), Italian volleyball playerÉmile Coste (1862–1927), a French fencerGeorges Coste (born Perpignan, 1944), a French rugby union coach and former playerGérard Coste (born 1939), a French painter and diplomatJean-Baptiste Coste (1777–1809), a French painterJoanne Koenig Coste an advocate for patients with Alzheimer's DiseaseJorge Coste (born 1988), a Mexican professional football defenderJules Coste (journalist) (1840–1910)Louis de La Coste (1675–1750), a French composerLouise Zoé Coste or Louise Zoé Meynier (1805–?), a French painterMelanie Coste (born 1976), a French pornographic actressMichel Saloff Coste (born 1955), a French artist and professorNapoléon Coste (1805–1883), a French guitarist and composerNicole Coste (born Lomé, 1971), a former Air France flight attendant from TogoNuma Coste (1843–1907), French painter and journalist.Paul Coste-Floret (1911–1979), a French politicianSharon Coste (born 1963), a French soprano of Canadian originXavier Pascal Coste (1787–1879), a French architect