| Warren Gaer | |
| Birth Date: | 7 February 1912 |
| Birth Place: | Lake Park, Iowa, U.S. |
| Death Place: | Atlantic, Iowa, U.S. |
| Player Years1: | 1934 |
| Player Team1: | Drake |
| Coach Years1: | 1946–1948 |
| Coach Team1: | Pepperdine |
| Coach Years2: | 1949–1958 |
| Coach Team2: | Drake |
| Overall Record: | 64–49–2 (college) |
| Bowl Record: | 1–1 |
Warren N. Gaer (February 7, 1912 – January 13, 1997) was an American football player and coach. He served as the head football coach at Pepperdine College—now known as Pepperdine University—from 1946 to 1948 and Drake University from 1949 to 1958, compiling a career college football record of 64–49–2.
Pepperdine hired Gaer to form its football program in 1945. He served as head coach there from 1946 to 1948. His teams tallied a mark of 22–6.[1] Gaer died on January 13, 1997, of cancer in his hometown of Atlantic, Iowa.[2]