| Competition: | Mestaruussarja |
| Season: | 1939 |
| Winners: | TPS Turku |
| Relegated: | KPT Kuopio Viipurin Reipas |
| League Topscorer: | Aatos Lehtonen, HJK Helsinki (15) |
| Prevseason: | 1938 |
| Nextseason: | 1940 |
The 1939 season was the tenth completed season of Finnish Football League Championship, known as the Mestaruussarja.
The 1939 Mestaruussarja was contested by 8 teams, with TPS Turku winning the championship. KPT Kuopio and Viipurin Reipas were relegated to the second tier which was known as the Suomensarja.[1]
The league was abandoned due to the Winter War (14 rounds having been scheduled). The above table was declared final.