Blas is mainly a Spanish given name and surname, related to Blaise. It may refer to

Places

• Piz Blas, mountain in Switzerland

• San Blas (disambiguation)

People

• Ricardo Blas Jr. (born 1986) Judo athlete from Guam

• Blas Antonio Sáenz (fl. 1845), Nicaraguan politician

• Blas Avena, American martial artist

• Blas Cabrera Navarro, American physicist

• Blas Cabrera (1878–1945), Spanish physicist

• Blas Cantó (born 1991), Spanish singer

• Blas Castano (born 1998), Dominican baseball player

• Blas Chumacero (1905–1997), Mexican trade union leader

• Blas Cristaldo (born 1964), Paraguayan football (soccer) defender

• Blas de Lezo (1689–1741), Spanish admiral

• Blas de Ledesma (1556—1598), Spanish painter

• Blas Elias (born 1967), American drummer

• Blas Galindo (1910–1993), Mexican composer

• Blas Gallego (born 1941), Spanish artist

• Blas García Ravelo (17th century), Spanish sculptor

• Blas Giunta (born 1963), Argentine football player

• Blas Giraldo Reyes Rodríguez (born 1955), Cuban librarian

• Blas Hernández (1879–1933), Cuban soldier

• Blas Infante (1885–1936), Andalusian politician and writer

• Blas María de la Garza Falcón (1712–1767), Spanish settler of Tamaulipas and South Texas

• Blas Matamoro (born 1942), Argentine writer

• Blas Minor (born 1966), American baseball player

• Blas Monaco (1915–2000), American baseball player

• Blas Ople (1927–2003), Filipino journalist and politician

• Blas Parera (1777–1840), Spanish composer

• Blas Pérez (born 1981), Panamanian footballer

• Blas Piñar (1918–2014), Spanish politician

• Blas Roca Calderio (1908-1987), Cuban revolutionary and politician

• Blas Ruiz (16th century), Spanish explorer

• Blas Valera (1545–1597), Peruvian historian

• Blas Villate (1824–1882), Spanish general

• Ismael Blas Rolón Silvero (1914–2010), Paraguayan bishop

• Juan Blas de Castro (1561–1631), Spanish singer, musician, and composer

Ships

• , a class of Spanish Navy light cruisers

• , more than one Spanish Navy ship

Other uses

• Basic Linear Algebra Subprograms (BLAS), a mathematical software library

• Blas, a word invented by Jan Baptist van Helmont to describe astral radiation

• List of storms named Blas, used for eight tropical cyclones in the eastern Pacific Ocean and for one Medicane in the Mediterranean Sea

See also

• "Bás, Fás, Blás", a poem written by Dominic Behan