2005–06 Suomi-sarja season

The 2005-06 Suomi-sarja season was the sixth season of the Suomi-sarja as the third level of ice hockey in Finland.

Playoffs

 * HeKi – SHT Seinäjoki 2:0 (11:2, 10:0)
 * Jeppis Pietarsaari – Titaanit Kotka 0:2 (5:6, 3:4)
 * RoKi-79 Rovaniemi – Koo-Vee 0:2 (3:4 OT, 4:5 OT)
 * SaPKo Savonlinna – Etelä-Portimo-72 Ylitornio 2:0 (6:3, 6:0)

HeKi fared the best of all Suomi-sarja teams in the Mestis promotion-and-relegation round. They were named Suomi-sarja champions as a result.