The 2006 St. George Illawarra Dragons season was the eighth in the joint venture club's history.
The Dragons competed in the NRL's 2006 premiership season.
The team finished sixth in the regular season, making finals but getting knocked out in the preliminary finals against the Melbourne Storm, losing 24–10.
1 The Melbourne Storm were later stripped of this minor premiership due to gross salary cap breaches.
2 The New Zealand Warriors were deducted 4 competition points due to gross salary cap breaches.