Jennings is a small city in and the parish seat of Jefferson Davis Parish, Louisiana, United States, near Lake Charles. Jennings McComb, for whom the town was named, was a contractor of the Southern Pacific Railroad. He built the Jennings depot on a divide peculiar to southwest Louisiana. Jennings is the principal city of the Jennings Micropolitan Statistical Area, which includes all of Jefferson Davis Parish. It is also part of the larger Lake Charles-Jennings Combined Statistical Area.