| Lou Tsoutsouvas | |
| Birth Date: | 4 July 1915 |
| Birth Place: | Fresno, California, U.S. |
| Death Place: | Santa Paula, California, U.S. |
| Player Years1: | 1934–1937 |
| Player Team1: | Stanford |
| Player Years2: | 1938 |
| Player Team2: | Pittsburgh Steelers |
| Player Positions: | Center |
| Coach Years1: | 1941–1947 |
| Coach Team1: | Ventura |
| Coach Years2: | 1948 |
| Coach Team2: | Humboldt State |
| Overall Record: | 6–3 (college) 14–13–1 (junior college) |
Louis Samuel Tsoutsouvas (July 4, 1915 – July 17, 2001) was an American football player and coach.[1] He served as the head football coach at Humboldt State College—now known as Humboldt State University—in 1948, compiling a record of 6–3. Tsoutsouvas was also the head football coach at Ventura College in Ventura, California from 1941 to 1947, amassing a record of 14–13–1.[2]