The 2005 Vaahteraliiga season was the 26th season of the highest level of American football in Finland. The regular season took place between June 4 and August 28, 2005.[1] The Finnish champion was determined in the playoffs and at the championship game Vaahteramalja XXVI the Porvoo Butchers won the Seinäjoki Crocodiles.
| Team | G | W | L | PTS | PF | PA | PD | |
|---|---|---|---|---|---|---|---|---|
| Seinäjoki Crocodiles | 10 | 10 | 0 | 20 | 341 | 70 | +271 | |
| Porvoo Butchers | 10 | 8 | 2 | 16 | 405 | 112 | +293 | |
| Helsinki Roosters | 10 | 6 | 4 | 12 | 255 | 131 | +124 | |
| Turku Trojans | 10 | 6 | 4 | 12 | 286 | 241 | +45 | |
| Helsinki Wolverines | 10 | 5 | 5 | 10 | 238 | 203 | +35 | |
| Sea City Storm | 10 | 2 | 8 | 4 | 162 | 441 | -279 | |
| Lappeenranta Rajaritarit | 10 | 2 | 8 | 4 | 105 | 307 | -202 | |
| Jyväskylä Jaguaarit | 10 | 1 | 9 | 2 | 62 | 349 | -287 |