Diego is a very common male given name of Spanish origin – also used in Portuguese-speaking countries, Italy and France. It may refer to:
Diego (footballer), a variety of Association football players with the given name Diego (see article);
Diego de Oviedo, 10th-century Asturian prelate;
Diego de León, 12th-century Leonese prelate;
Diego de Ourense, 12th-century Galician prelate;
Diego de Asturias, 16th-century Spanish Royal heir who died at age 7;
Diego Abatantuono, Italian actor and screenwriter;
Diego de Almagro, Spanish conquistador;
Diego Aventín, Argentine race car driver;
Diego Buñuel, French journalist;
Diego Camacho, Bolivian tennis player;
Diego Colón, 4th viceroy of New Spain;
Diego Corrales, American boxer;
Diego D'Ambrosio, Italian-American businessman;
Diego Deza, Spanish theologian and inquisitor;
Diego Domínguez (disambiguation)
Diego Durán, Spanish Dominican friar;
Diego Gelmírez, first archbishop of Compostela;
Diego Gonzalez, Mexican singer, musician and actor – often known simply as Diego; also is known as Diego Boneta in the U.S.)
Diego Hartfield, Argentine tennis player;
Diego Hypólito, Brazilian gymnast;
Diego de Landa, 16th-century bishop of Yucatán;
Diego Klattenhoff, Canadian actor;
Diego Luna, Mexican actor;
Diego Masson, French music conductor and composer;
Diego Morales (disambiguation)
Diego Nargiso, Italian tennis player;
Diego Pérez, Uruguayan tennis player;
Diego Portales, Chilean politician;
Diego Rivera, Mexican painter;
Diego Sanchez, American mixed martial artist;
Diego Sebastián Schwartzman, Argentine tennis player
Diego Seguí, Cuban baseball pitcher;
Diego Silang, Philippine revolutionary leader;
Diego Siloe, Spanish Renaissance architect and sculptor;
Diego Torres, Argentine singer and composer;
Diego Vargas, Venezuelan singer and composer;
Diego de Vargas, governor of New Spain;
Diego Villanueva, Brazilian singer-songwriter;
Diego Velázquez, 17th-century Spanish painter;
Diego Velázquez de Cuéllar, Spanish conquistador.