Isaias (given name)

Isaías is the Spanish and Portuguese language form of the biblical name Isaiah.

Notable people with the name include:


 * Isaias of Constantinople (died 1332), Ecumenical Patriarch of Constantinople from 1323 to 1332
 * Isaias Afwerki (born 1942), first and current president of Eritrea
 * Isaías Carrasco (1964–2008), Basque politician
 * Isaías D'Oleo Ochoa (born 1980), Costa Rican poet
 * Isaías Duarte Cancino (1939–2002), Colombian Catholic priest and Archbishop of Cali
 * Isaias W. Hellman (1842–1920), German-born American banker and philanthropist, and a founding father of the University of Southern California
 * Isaías Marques Soares (born 1963), Brazilian footballer
 * Isaías Medina Angarita (1897–1953), President of Venezuela from 1941 to 1945
 * Isaías de Noronha (1874–1963), Brazilian admiral and member of the junta that governed Brazil in 1930
 * Isaías Rodríguez (born 1942), Venezuelan politician, diplomat and lawyer, Vice President of Venezuela in 2000
 * Isaías Samakuva (born 1946), Angolan politician
 * Isaías Sánchez (born 1987), Spanish footballer
 * Isaías Silva Aragão (1967–2007), Brazilian footballer