1940 Hardin–Simmons Cowboys football team

The 1940 Hardin–Simmons Cowboys football team represented Hardin–Simmons University as an independent during the 1940 college football season. In its sixth and final season under head coach Frank Kimbrough, the team compiled a perfect 9–0 record, outscored opponents by a total of 235 to 76, and was ranked No. 17 in the final AP Poll. In January 1941, Coach Kimbrough left Hardin–Simmons to become head football coach at Baylor University. Kimbrough compiled a 47–8–3 in six seasons at Hardin-Simmons.

Hardin–Simmons was ranked at No. 55 (out of 697 college football teams) in the final rankings under the Litkenhous Difference by Score system for 1940.