Ugarte or uharte is a Basque word meaning "island". It can also be spelt Huarte or Hugarte in Spanish. Notable people with the surname include:
Adriana Ugarte (born 1985) a well-known Spanish actressAgustín Jerónimo de Iturbide y Huarte (1807-1866), Prince Imperial of MexicoAlfonso Ugarte (1847-1880), Peruvian military commanderAlirio Ugarte Pelayo (1923-1966), Venezuelan politicianAugusto José Ramón Pinochet Ugarte (1915-2006), Chilean military officer and dictatorJose de la Torre Ugarte (1798-1878), Peruvian lyricistJosé Humberto Ugarte (born 1980), Costa Rican footballerJohn Huarte (born 1944), American football quarterbackJuan Huarte de San Juan or Juan Huarte y Navarro (c. 1530-1592), Navarrese physician and psychologistJuan Ugarte (born 1980), Spanish footballerJulio Ugarte y Ugarte (1890-1949), Peruvian writerManuel Ugarte (1875-1951), Argentinian authorNicolás Armentia Ugarte (1845-1909), Spanish missionary and bishopRenzo Pi Hugarte (1934-2012), Uruguayan anthropologistSalvador de Iturbide y Huarte (1820-1856), prince of MexicoVíctor Ugarte (1926-1995), Bolivian footballerVíctor Ugarte (voice actor), Mexican voice actorXóchitl Ugarte (born 1979), Mexican voice actressFictional characters:
Guillermo Ugarte, a character in the film Casablanca