The 2012–13 HockeyAllsvenskan season was the 8th season of the HockeyAllsvenskan (14th including seasons under the name "Allsvenskan"), the second-highest level of ice hockey in Sweden. The regular season began on 12 September 2012 and ended on 2 March 2013, with the following playoffs and Kvalserien tournaments running until 5 April 2013. Leksands IF, following a season marked by financial instability and scandal, secured first place in the regular season standings, and continued to the qualification round for the 2013–14 SHL/Elitserien season, along with second-place Södertälje SK, third place VIK Västerås HK, and playoff winner Örebro HK. Meanwhile, 13th- and 14th-ranked Tingsryds AIF and Karlskrona HK were forced to defend their places in HockeyAllsvenskan for the 2013–14 season.