Trancoso may refer to:
- Trancoso Municipality, Zacatecas, a municipality in the state of Zacatecas, Mexico
- Trancoso, Portugal, a municipality in the district of Guarda in the region of Centro, Portugal
- Trancoso, Bahia, a district in the municipality of Porto Seguro in the state of Bahia, Brazil
- Isabel Trancoso, Portuguese researcher in speech processing