| Dean Derby | |
| Birth Date: | 11 June 1935 |
| Birth Place: | Leavenworth, Washington, U.S. |
| Death Place: | Walla Walla, Washington, U.S. |
| Number: | 27, 25 |
| Position1: | Cornerback |
| Height Ft: | 6 |
| Height In: | 0 |
| Weight Lb: | 185 |
| College: | Washington |
| Nfldraftedyear: | 1957 |
| Nfldraftedround: | 5 |
| Nfldraftedpick: | 51 |
| Nfldraftedteam: | Los Angeles Rams |
| Playing Years1: | 1957–1961 |
| Playing Team1: | Pittsburgh Steelers |
| Playing Years2: | 1961–1962 |
| Playing Team2: | Minnesota Vikings |
| Career Highlights: | |
| Probowls: | 1959 |
| Databasefootball: | DERBYDEA01 |
Clarence Dean Derby (June 11, 1935 – October 29, 2021) was an American football defensive back in the National Football League (NFL). He played six seasons for the Pittsburgh Steelers (1957–1961) and the Minnesota Vikings (1961–1962).[1]
He died on October 29, 2021, in Walla Walla, Washington at age 86.[2]