Alas is a surname. Notable people with the surname include:
Dennis Alas (born 1985), Salvadoran footballer Jaime Alas (born 1989), Salvadoran footballer José Inocencio Alas (born 1934), Salvadoran Roman Catholic priest Kevin Alas (born 1991), Filipino basketball player Leopoldo Alas (1852–1901), Spanish writer Louie Alas (born 1963), Filipino basketball coach
See also Sibel Alaş (born 1973), Turkish singer