| Biographical details | |
|---|---|
| Born | c. 1940 McKinney, Texas, U.S. |
| Playing career | |
| c. 1960 | Kilgore College |
| 1962 | Lamar Tech |
| Position(s) | Halfback |
| Coaching career (HC unless noted) | |
| 1963 | Vidor HS (TX) (assistant) |
| 1964 | McKinney HS (TX) (assistant) |
| 1965–1966 | Kilgore HS (TX) (offensive coach) |
| 1967 | Plano HS (TX) (backfield) |
| 1968 | Rice (freshmen) |
| 1969 | Rice (DB) |
| 1970 | Rice (OB) |
| 1971 | Taylor HS (TX) |
| 1972–1977 | Howard Payne (OC) |
| 1978 | Angelo State (OC) |
| 1979–1981 | Howard Payne |
| Administrative career (AD unless noted) | |
| 1979–1981 | Howard Payne |
| Head coaching record | |
| Overall | 6–23–1 (college football) |
Harold Mayo (born c. 1940) is a former American football coach and college athletics administrator. He was the 14th head football coach for the Howard Payne University in Brownwood, Texas, serving for three seasons, from 1979 to 1981, and compiling a record of 6–23–1.[1]