Southwest Louisiana (SWLA) is a five-parish area intersecting the Acadiana and Central Louisiana regions in the U.S. state of Louisiana. It is composed of the following parishes (counties): Allen, Beauregard, Calcasieu, Cameron, Jefferson Davis. A 2010 population estimate of the five parish area was over 292,619.
- Clickable map of Louisiana regions at the Louisiana Board of Regents, a state agency created by the 1974 Louisiana Constitution
- Southwest Louisiana Convention & Visitors Bureau