West Feliciana Parish (French: Paroisse de Feliciana Ouest) is a parish located in the U.S. state of Louisiana. The parish seat is St. Francisville. As of the 2010 census, the population was 15,625. The Louisiana State Penitentiary is located in West Feliciana Parish in Angola.
The parish has a total area of 426sq mi, of which 406 square miles is land and 20 square miles or 4.70% is water.
The parish is located on the Mississippi River, and is bordered by Pointe Coupee Parish to the west and East Feliciana Parish to the east.. The parish is about 30 miles (48 km) north of Baton Rouge, Louisiana and about 60 miles (97 km) south of Natchez, Mississippi.