Bač may refer to:
Places
In Montenegro: Bač, Montenegro, in the northeastern part of the country
In North Macedonia: Bač, North Macedonia, a village and former municipality
In Serbia: Bač, Serbia, a town and municipality in the South Bačka District Bač Fortress, a fortress
In Slovakia: Báč, a village
In Slovenia: Bač, Ilirska Bistrica, a village in the Municipality of Ilirska Bistrica Bač pri Materiji, a settlement in the Municipality of Hrpelje–Kozina
See also
BAC (disambiguation)