| Frank W. Simpson | |
| Birth Date: | 1871 |
| Birth Place: | Pacheco, California, U.S. |
| Death Place: | near Alvarado, California, U.S. |
| Player Years1: | 1895–1897 |
| Player Team1: | California[1] |
| Player Positions: | Tackle |
| Coach Years1: | 1898–1899 |
| Coach Team1: | Oregon |
| Coach Years2: | 1901 |
| Coach Team2: | California |
| Overall Record: | 15–3–2 |
Frank William Simpson (1871 – December 8, 1929) was an American college football player and coach. He served as the head football coach at the University of Oregon from 1898 to 1899 and at the University of California, Berkeley in 1901, compiling a career coaching record of 15–3–2. From 1898 to 1899, he guided the Oregon Webfoots to a 6–3–1 record. At California in 1901, he coached the Golden Bears to a 9–0–1 record.
Simpson was killed instantly when his car crashed into a tree when he and his wife were returning from a duck hunt hear Alvarado, California in December 1929. His wife later died in the hospital.[2] [3]