Ralph Foster (American football coach)
Foster pictured in the 1907 Citadel football team photo  | |
| Biographical details | |
|---|---|
| Born | May 11, 1884 Lancaster, South Carolina, U.S.  | 
| Died | February 2, 1956 (aged 71) Columbia, South Carolina, U.S.  | 
| Alma mater | South Carolina (1905) | 
| Playing career | |
| 1902–1904 | South Carolina | 
| Position(s) | End | 
| Coaching career (HC unless noted) | |
| 1906–1908 | The Citadel | 
| Head coaching record | |
| Overall | 9–5–2 | 
Ralph Kelsey Foster (May 11, 1884 – February 2, 1956) was an American football player and coach. He was the second head football coach at The Citadel, serving for three seasons, from 1906 until 1908, and compiling a record of 8–6–2.
Foster died in 1956.