Barsac may refer to:
- Barsac, Drôme, a village in the Drôme department, France
- Barsac, Gironde, a village in the Gironde department, France
- Barsac railway station, its railway station
- Barsac AOC, its wine certification, part of the Sauternes wine region
See also
- Barsacq, French surname
- The Barsac Mission