Ernie Duplechin
| Biographical details | |
|---|---|
| Born | c. 1932 | 
| Died | December 24, 2020 (aged 88) | 
| Playing career | |
| Football | |
| c. 1954 | Louisiana College | 
| Baseball | |
| c. 1954 | Louisiana College | 
| Position(s) | Fullback (football) Catcher (baseball)  | 
| Coaching career (HC unless noted) | |
| Football | |
| c. 1955 | Ville Platte HS (LA) (assistant) | 
| c. 1955 | Eunice HS (LA) (assistant) | 
| 1957–1960 | Basile HS (LA) (assistant) | 
| 1961–1964 | Basile HS (LA) | 
| 1965 | McNeese State (GA) | 
| 1966–1978 | McNeese State (assistant) | 
| 1979–1981 | McNeese State | 
| Administrative career (AD unless noted) | |
| 1980–1985 | McNeese State | 
| Head coaching record | |
| Overall | 28–6–1 (college) | 
| Bowls | 0–2 | 
| Accomplishments and honors | |
| Championships | |
| 2 Southland (1979–1980) | |
| Awards | |
| Southland Coach of the Year (1979) | |
Ernie Duplechin (c. 1932 – December 24, 2020) was an American football coach and college athletics administrator. He served as the head football coach at the McNeese State University from 1979 to 1981, compiling a record of 28–6–1. Duplechin was the athletic director at McNeese State from 1980 to 1985.
Duplechin died at the age of 88, on December 24, 2020.