Mateo is the Spanish form of Matthew. This form is also sometimes used in Croatian, from the Italian form Matteo. It may refer to:
Master Mateo (c. 1150–c. 1200/1217), sculptor and architect who worked in the Iberian Peninsula
Mateo Aimerich (1715–1799) Spanish philologist
Mateo Alemán (1547–1615?), Spanish novelist and writer
Mateo Bertoša (born 1988), Croatian footballer
Mateo Cañellas (born 1972), Spanish middle distance runner
Mateo Cassierra (born 1997), Colombian football striker
Mateo Castellano (born 1996), Argentine football midfielder
Mateo Chiarino, Uruguayan actor and writer
Mateo Corbo (born 1976), Uruguayan footballer
Mateo Correa Magallanes (1866–1927), Mexican Roman Catholic priest and martyr
Mateo Cuk (born 1990), German water polo player
Mateo de Angulo (born 1990), Colombian swimmer
Mateo de Toro Zambrano, 1st Count of La Conquista (1727–1811), Royal Governor of Chile
Mateo de Sagade de Bugueyro (1605–1672), Spanish Roman Catholic prelate
Mateo Delmastro (born 2000), Argentine badminton player
Mateo Elías Nieves Castillo (1882–1928), Mexican Roman Catholic priest
Mateo Flecha el Joven (c. 1530–1604), Spanish composer
Mateo Flecha (1481–1553), composer born in Kingdom of Aragon
Mateo Flores (1922–2011), Guatemalan long-distance runner
Mateo Frazier (born 1977), American writer, director, and producer
Mateo García (born 1996), Argentine footballer
Mateo Gil (born 1972), Spanish film director, screenwriter, and cinematographer
Mateo Gil (conquistador), Spanish conquistador, Alcalde and Regidor of Santa Fe, Argentina during the Viceroyalty of Peru
Mateo González Manrique, Spanish soldier and colonial governor of West Florida between 1813 and 1815
Mateo Gucci (c. 1500 – c. 1550), Polish-Italian Renaissance architect and sculptor
Mateo Guez French-Canadian director, writer, photographer and producer
Mateo Hasa (born 1993), Albanian football player
Mateo Herrera (born 1973) Ecuadorian filmmaker
Mateo Hrvatin (born 1980), Croatian handballer
Mateo Jover, Bronze Wolf Award recipient
Mateo Leal de Ayala (1560-1627), Spanish noblemen, mayor, and governor
Mateo Malupo (born 1988), Tongan rugby union player
José Manuel Mateo, (born 1975), Spanish football defender
Mateo Martinic (born 1931), Chilean historian, politician and lawyer
Matéo Maximoff (1917–1999), French writer and Evangelical pastor of Romani ethnicity
Mateo Messina (born 1972), American composer
Mateo Míguez Adán (born 1987), Spanish footballer
Matéo Mornar (born 1946), French sculptor of contemporary art
Mateo Morrison (born 1946), Dominican writer, lawyer, poet and essayist
Mateo Musacchio (born 1990), Argentine professional footballer
Mateo Pavlović (born 1990), Croatian football defender
Mateo Pinello (died 1569), Roman Catholic prelate who served as Bishop of Cuzco (1565-1569)
Mateo Poljak (born 1989), Croatian footballer
Mateo Pumacahua (1740–1815), Peruvian revolutionary
Mateo Qares, Tanzanian politician, cabinet minister and member of Parliament for Babati constituency
Mateo Restrepo (born 1997), Canadian soccer player
Mateo Romero (disambiguation), multiple people, including:
Mateo Romero (artist) (born 1966), Native American painter
Mateo Romero (composer) (c. 1575–1647), Belgian-born Spanish composer of Baroque music
Mateo Rosas de Oquendo (ca. 1559–1612), Peruvian satirist
Mateo Roskam (born 1987), Croatian footballer
Mateo Sanguinetti (born 1992), Uruguayan rugby union player
Mateo Sanz Lanz (born 1993), Swiss sailor
Mateo Silić (born 1984), Croatian footballer
Mateo Sušić (born 1990), Bosnian football midfielder
Mateo Túnez (born 1989) Spanish motorcycle road racer
Mateo Vidal (1780–1855), Uruguayan priest and politician
Mateo Zefi (born 1994), Albanian football player
