National Register of Historic Places listings in St. Martin Parish, Louisiana

This is a list of the National Register of Historic Places listings in St. Martin Parish, Louisiana.

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in St. Martin Parish, Louisiana, United States. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in a map.

There are 25 properties and districts listed on the National Register in the parish, including 1 National Historic Landmark.