| John Crncich | |
| Birth Date: | 8 February 1925 |
| Birth Place: | Krk, Yugoslavia |
| Death Place: | Toronto, Ontario, Canada |
| Position1: | C |
| College: | McGill University |
| Playing Years1: | 1944 |
| Playing Team1: | St. Hyacinthe-Donnacona Navy |
| Playing Years2: | 1945 |
| Playing Team2: | Montreal Hornets |
| Playing Years3: | 1946 |
| Playing Team3: | Toronto Argonauts |
| Playing Years4: | 1949–50 |
| Playing Team4: | Sarnia Imperials |
| Honors: | - Grey Cup Champion |
John George Crncich (February 8, 1925 – October 27, 2019) was a Grey Cup champion Canadian Football League player. He played offensive center.
A native Croatian, Crncich played football with Thomas D'Arcy McGee High School,[1] and later attended McGill University, both in Montreal.[2] He won the Grey Cup with the champion St. Hyacinthe-Donnacona Navy team in 1944. He was a player with the Montreal Hornets and in 1946 played one game with the Toronto Argonauts.[3] He finished his football career playing 2 seasons for the Sarnia Imperials. He died on October 27, 2019.[4]