San Blas
San Blas, the Spanish name for Saint Blaise, can refer to:
- Argentina:
- San Blas, La Rioja
- San Blas Department
- Costa Rica:
- Ecuador
- El Salvador:
- Malta:
- Mexico:
- Panama:
- Kuna Yala, an autonomous territory, formerly called San Blas
- San Blas Islands, off the Caribbean coast
- Gulf of San Blas, an inlet of the Caribbean Sea on the northern coast of Panama east of the Panama Canal
- Peru:
- San Blas (Cuzco), a neighbourhood in the historic city centre of Cuzco
- Spain:
- San Blas (Madrid), a district of Madrid
- San Blas (Tenerife), a new urbanisation in the South of Tenerife
- United States of America:
- Cape San Blas, part of a peninsula in Gulf County, Florida extending westward from the mainland of Florida, separating St. Joseph Bay to the north from the Gulf Of Mexico to the south