| Ralph W. Sherwin | |
| Birth Date: | 31 January 1888 |
| Birth Place: | Fitchburg, Massachusetts, U.S. |
| Death Place: | Dover, New Hampshire, U.S. |
| Player Years1: | 1908–1911 |
| Player Team1: | Dartmouth |
| Player Positions: | Left tackle |
| Coach Years1: | 1911 |
| Coach Team1: | Kansas |
| Overall Record: | 4–2–2 |
Ralph Waldo Sherwin (January 31, 1888 – May 17, 1963) was an American football player and coach. He played college football at Dartmouth College, playing left tackle.[1] He served as the 14th head coach at the University of Kansas for a single season in 1911, compiling a record of 4–2–2.[2] Sherwin was the head coach of the visiting team in the first American football homecoming game.[3] He died on May 17, 1963, following a short illness, at his home in Dover, New Hampshire.[4]