San Matías
San Matías means:
- San Matías Tlalancaleca , district (municipality) in Mexico
- Municipio San Matías , administrative district (Municipio) in the Department of Santa Cruz, Bolivia
- San Matías (Santa Cruz) , provincial capital of this district in the Bolivian department of Santa Cruz
- San Matías (El Salvador) , city in El Salvador
- Golfo San Matías , bay on the Argentine Atlantic coast