Simmesport is a town in Avoyelles Parish, Louisiana, United States.

The town was founded by Bennet Barton Simmes (1811–1888), one-time owner of White Hall Plantation, which was located on the opposite bank of the Atchafalaya River.

In December 2005 industrialist Frank Stronach founded a new community just south of Simmesport along the Atchafalaya River levee, known as Canadaville, a place intended to house people displaced by Hurricane Katrina.

[5] Simmesport is located in eastern Avoyelles Parish on the west bank of the Atchafalaya River.

[4] As of the 2020 United States census, there were 1,468 people, 627 households, and 379 families residing in the town.