St. Maurice Plantation was a historic mansion on a plantation off the banks of the Red River of the South in Winn Parish, Louisiana, USA.

[4] By 1850, members of the Prothro family and their African slaves died of the yellow fever.

[3] A decade later, during the American Civil War of 1861–1865, the plantation was taken over by the Union Army.

[3] It has been listed on the National Register of Historic Places since April 3, 1979.

This article about a property in Louisiana on the National Register of Historic Places is a stub.