Ralph McKinzie
| Biographical details | |
|---|---|
| Born | October 1, 1894 Winterset, Iowa, U.S.  | 
| Died | December 7, 1990 (aged 96) Eureka, Illinois, U.S.  | 
| Coaching career (HC unless noted) | |
| Football | |
| 1921–1937 | Eureka | 
| 1938–1939 | Wartburg | 
| Basketball | |
| 1921–1937 | Eureka | 
| 1938–1940 | Wartburg | 
| 1940–1948 | Northern Illinois | 
| Baseball | |
| 1945 | Northern Illinois | 
| 1949–1956 | Northern Illinois | 
| Head coaching record | |
| Overall | 36–90–11 (football) 218–211–1 (basketball) 70–90 (baseball)  | 
| Accomplishments and honors | |
| Championships | |
| Baseball 2 IIAC (1950–1951)  | |
Ralph Clyde "Mac" McKinzie (October 1, 1894 – December 7, 1990) was an American football, basketball, and baseball coach.