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 actress
Agustín Jerónimo de Iturbide y Huarte (1807-1866), Prince Imperial of Mexico
Alfonso Ugarte (1847-1880), Peruvian military commander
Alirio Ugarte Pelayo (1923-1966), Venezuelan politician
Augusto José Ramón Pinochet Ugarte (1915-2006), Chilean military officer and dictator
Jose de la Torre Ugarte (1798-1878), Peruvian lyricist
José Humberto Ugarte (born 1980), Costa Rican footballer
John Huarte (born 1944), American football quarterback
Juan Huarte de San Juan or Juan Huarte y Navarro (c. 1530-1592), Navarrese physician and psychologist
Juan Ugarte (born 1980), Spanish footballer
Julio Ugarte y Ugarte (1890-1949), Peruvian writer
Manuel Ugarte (1875-1951), Argentinian author
Nicolás Armentia Ugarte (1845-1909), Spanish missionary and bishop
Renzo Pi Hugarte (1934-2012), Uruguayan anthropologist
Salvador de Iturbide y Huarte (1820-1856), prince of Mexico
Víctor Ugarte (1926-1995), Bolivian footballer
Víctor Ugarte (voice actor), Mexican voice actor
Xóchitl Ugarte (born 1979), Mexican voice actress
Fictional characters:
Guillermo Ugarte, a character in the film Casablanca
