1943 Southwestern Louisiana Bulldogs football team

The 1943 Southwestern Louisiana Bulldogs football team was an American football team that represented the Southwestern Louisiana Institute of Liberal and Technical Learning (now known as the University of Louisiana at Lafayette) as a member the Louisiana Intercollegiate Conference during the 1943 college football season. The Louisiana Intercollegiate Conference has no league play in 1943 because of World War II. Led by second-year head coach Louis Whitman, the Bulldogs compiled a record of 5–0–1, and outscored their opponents 172 to 40. In the Oil Bowl, Southwestern Louisiana defeated Arkansas A&M on a muddy field, a team that had tied them 20–20 earlier in the season. The Bulldogs played their home games at McNaspy Stadium in Lafayette, Louisiana.

In the final Litkenhous Ratings, Southwestern ranked 12th among the nation's college and service teams with a rating of 104.3.