Gregorio is a masculine given name and a surname. It may refer to:
Given name Gregorio Aglipay (1860–1940), Filipino revolutionary and first supreme bishop of the Philippine Independent Church Gregorio Álvarez (historian) (1889–1986), Argentine historian, physician and writer Gregorio Conrado Álvarez (1925–2016), Uruguayan army general and de facto President of Uruguay from 1981 until 1985 Gregorio S. Araneta (1869–1930), Filipino lawyer, businessman and nationalist Gregorio Benito (1946–2020), Spanish retired footballer Gregorio C. Brillantes, Filipino writer Gregorio di Cecco (c. 1390–after 1424), Italian painter Gregório Nunes Coronel (c. 1548– c. 1620), Portuguese theologian, writer and preacher Gregorio Cortez (1875–1916), Mexican-American tenant farmer and folk hero Gregorio De Ferrari (c. 1647–1726), Italian painter Gregorio De Gregori (), printer in Renaissance Venice Gregorio del Pilar (1875–1899), Philippine Revolutionary Forces general during the Philippine Revolution and the Philippine–American War Gregorio López (handballer) (1951–1987), Spanish handball player Gregorio López (jurist) (1496–1560), president of the Council of the Indies Gregorio López-Bravo y Castro (1923–1985), Spanish politician, Minister of Foreign Affairs between 1969 and 1973 Gregorio López y Fuentes (1895–1966), Mexican novelist, poet and journalist Gregorio Luperón (1839–1897), Dominican military and political leader, President of the Dominican Republic from 1879 to 1880 Gregorio Marañón (1887–1960), Spanish physician, scientist, historian, writer and philosopher Gregório de Matos (1636–1696), colonial Brazilian poet Gregorio Pérez (born 1948), Uruguayan football manager and former player Gregorio Petit (born 1984), Major League Baseball player from Venezuela Gregorio Ricci-Curbastro (1853–1925), Italian mathematician, inventor of tensor calculus Gregorio Rodríguez (footballer) (born 2000), Argentine footballer Gregorio Salvador Caja (1927-2020), Spanish linguist Gregorio Manuel Salvador (born 1981), Equatoguinean footballer
Surname Guillermo Gregorio (born 1941), Argentine musician John T. Gregorio (1928−2013), American politician Mateus Gregório (born 1993), Brazilian weightlifter Rose Gregorio (born 1934), American actress Rossella Gregorio (born 1990), Italian sabre fencer
See also De Gregorio, also DeGregorio, Di Gregorio and DiGregorio; some of these entries consider Gregorio to be the surname Gregory (given name)