| Competition: | Mestaruussarja |
| Season: | 1949 |
| Winners: | TPS Turku |
| Relegated: | HIFK Helsinki HJK Helsinki HPS Helsinki TuTo Turku |
| Prevseason: | 1948 |
| Nextseason: | 1950 |
The 1949 season was the 19th completed season of Finnish Football League Championship, known as the Mestaruussarja.
The Mestaruussarja was administered by the Finnish Football Association and the competition's 1949 season was contested by 12 teams. TPS Turku won the championship and the four lowest placed teams of the competition, HIFK Helsinki, HJK Helsinki, HPS Helsinki and TuTo Turku, were relegated to the Suomensarja.[1]