| Biographical details | |
|---|---|
| Born | November 26, 1947 Parkersburg, West Virginia, U.S. |
| Died | August 11, 2023 (aged 75) Cary, North Carolina, U.S. |
| Alma mater | Duke University |
| Playing career | |
| 1967–1970 | Duke |
| 1972 | Youngstown Hardhats |
| Position(s) | Linebacker |
| Coaching career (HC unless noted) | |
| 1971 | West Virginia (graduate assistant) |
| 1973–1976 | Allegheny (assistant) |
| 1977–1982 | Colgate (assistant) |
| 1983–1984 | Virginia Tech (assistant) |
| 1985–1989 | Minnesota (assistant) |
| 1990–1991 | Navy (assistant) |
| 1992–1995 | Colgate (assistant) |
| 1996–2013 | Colgate |
| Head coaching record | |
| Overall | 137–73 |
| Tournaments | 3–7 (NCAA D-I-AA/FCS playoffs) |
| Accomplishments and honors | |
| Championships | |
| 7 Patriot League (1997, 1999, 2002, 2003, 2005, 2008, 2012) | |
| Awards | |
| |
Richard L. Biddle (November 26, 1947 – August 11, 2023) was an American football player and coach. He served as head football coach at Colgate University from 1996 through 2013, compiling a record of 137–73. This ranks him first at Colgate in terms of total wins and he has achieved the best winning percentage of any Colgate coach with seven or more years at the helm of the Raiders.