Baca
- Alcobaça River (Portugal)
- Baca (surname)
- Baca County, Colorado
- Baca Municipality
- Baca National Wildlife Refuge
- Baca, Yucatán
- Bacas (disambiguation)
- Bacca (disambiguation)
- Backa (disambiguation)
- Bakkah
- Bača (disambiguation)
- Bikers Against Child Abuse
- Brighton Aldridge Community Academy
- De Baca County, New Mexico
- Luis Maria Baca Grant No. 4
- Peki'in
- Undecaprenyl-diphosphatase