San Martín Department

San Martín Department may refer to:

In Argentina:
- San Martín Department, Corrientes
- San Martín Department, Mendoza
- San Martín Department, San Juan
- San Martín Department, Santiago del Estero
- San Martín Department, Santa Fe
In Peru:
- San Martín Region (formerly a department)

This disambiguation page lists articles about distinct geographical locations with the same name.
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