The 2006 Superettan was part of the 2006 Swedish football season, and the seventh season of Superettan, Sweden's second-tier football division in its current format.
A total of 16 teams contested the league.
It was contested by 16 teams, and Trelleborgs FF won the competition.
Sirius and Bunkeflo promoted to Superettan Väsby United and Assyriska relegated to Division 1 (Minimum of 10 games played)