San Fernando is a department of Chaco Province in Argentina.

The provincial subdivision has a population of about 365,000 inhabitants in an area of 3,489 km2, and its capital city is Resistencia, which is also the provincial capital.

It located around 1,020 km from the Capital federal.

The department consists of 5 first-level municipalities:

This article about a place in Chaco Province, Argentina is a stub.