| Competition: | Mestaruussarja |
| Season: | 1930 |
| Winners: | HIFK Helsinki (1st title) |
| Relegated: | Stjärnan Helsinki ÅIFK Turku |
| Matches: | 56 |
| Total Goals: | 151 |
| League Topscorer: | Holger Salin, HIFK Helsinki Olof Strömsten, KIF Helsinki (9) |
| Nextseason: | 1931 |
The 1930 Mestaruussarja season was the first completed season of Finnish Football Championship played in a league format, known locally as the Mestaruussarja, ‘Championship Series’. Prior to this, from 1908 to 1929, the championship had been decided in a cup competition, which was NOT called the Finnish Cup.
The 1930 Mestaruussarja was contested by 8 teams, with HIFK Helsinki claiming the inaugural championship, which was also known as the A-sarja, by winning a tiebreaker match with the scoreline of 4–1 over TPS Turku. Stjärnan Helsinki and ÅIFK Turku were relegated to the second tier, which was known as the B-sarja.[1]
In 1930, there were 8 participants in the Mestaruussarja:[1]