| Biographical details | |
|---|---|
| Born | July 14, 1890 Pendleton, Indiana, U.S. |
| Died | December 8, 1930 (aged 40) Pittsburgh, Pennsylvania, U.S. |
| Playing career | |
| 1913–1915 | Pittsburgh |
| Position(s) | Quarterback |
| Coaching career (HC unless noted) | |
| 1921–1923 | Grove City |
| 1924–1926 | Pittsburgh (assistant) |
| Head coaching record | |
| Overall | 16–10–2 |
| Accomplishments and honors | |
| Awards | |
| All-America (1915) | |
Guy M. "Chalky" Williamson (July 14, 1890 – December 8, 1930) was an American football player and coach. He served as the head football coach at Grove City College in Grove City, Pennsylvania from 1921 to 1923, compiling a record of 16–10–2.[1]
Williamson was the starting quarterback for the national champion 1915 Pittsburgh Panthers football team.[2]
Williamson later coached at The Kiski School in Saltsburg, Pennsylvania. He died at age 40, on December 8, 1930, at a hospital in Pittsburgh.[3]