Mañas is a Spanish surname. Notable people with the surname include:
Achero Mañas (born 1966), Spanish film director Aitor Mañas (born 2003), Spanish footballer Fernando Llorente Mañas (born 1990), Spanish footballer José Ángel Mañas (born 1971), Spanish writer Pilar Mañas Brugat (born 1975), Spanish military officer
See also Manas (disambiguation) Manas Family, an Ottoman-Armenian family Edgar Manas (1875–1964), Turkish-Armenian composer, conductor, and musicologist