St. Hyacinthe–Donnacona Navy
| Founded | 1943 |
|---|---|
| Based in | Montreal, Quebec, Canada |
| Home field | Percival Molson Memorial Stadium |
| Head coach | Glen Brown |
| General manager | Fred Porter |
| League | Quebec Rugby Football Union |
| Colours | Navy Blue, White |
| Nickname(s) | The Donnies |
| Mascot(s) | K. Clarke |
| Grey Cup win | 1944 |
St. Hyacinthe–Donnacona Navy was an amateur Canadian football team during the Second World War. They won the Grey Cup in 1944. The team was named after the communications training school HMCS St. Hyacinthe and the naval reserve division HMCS Donnacona.