Wolfsberger AC is an Austrian association football club from Wolfsberg, Carinthia. The club competed twenty seasons on the second level of the Austrian football pyramid. Between the 2007–08 and 2011–12 seasons, Wolfsberger AC entered a cooperation with SK St. Andrä, competing under the name WAC/St. Andrä during that period. The team is currently called RZ Pellets WAC for sponsorship reasons.
After having played the majority of its existence in the lower leagues, Wolfsberger AC finished their 2011–12 season as champions of the 2011–12 Austrian Football First League and earned promotion to the Austrian Bundesliga for the first time in the club's history, in which they finished 5th at the end of the 2012–13 Austrian Football Bundesliga.
Wolfsberger finished third in the 2018–19 Austrian Football Bundesliga which qualified them to the 2019–20 UEFA Europa League group stage. They finished in fourth place in the UEFA Europa League in the 2019–20 season.