Banaś is a Polish surname. Some persons with the surname include:
Adam Banaś (born 1982), Polish professional footballer Bolesław Banaś (1912–1991), Polish fencer Jan Banaś (born 1943), Polish footballer Julia Banaś (born 1997), Polish fashion model Kasia Banaś (born 1973), Polish artist Marian Banaś (born 1955), Polish politician and civil servant
See also Banas (disambiguation)