1940 LSU Tigers football team

The 1940 LSU Tigers football team was an American football team that represented Louisiana State University (LSU) as a member of the Southeastern Conference (SEC) during the 1940 college football season. In their sixth year under head coach Bernie Moore, the Tigers complied an overall record of 6–4, with a conference record of 3–3, and finished sixth in the SEC.

LSU was ranked at No. 33 (out of 697 college football teams) in the final rankings under the Litkenhous Difference by Score system for 1940.