The 2006 Thunder Bay municipal election was held on 13 November 2006 in Thunder Bay, Ontario to elect a mayor, 12 city councillors, trustees for the Lakehead District School Board, the Thunder Bay Catholic District School Board, the Conseil scolaire de district du Grand Nord de l'Ontario, and the Conseil scolaire de district catholique des Aurores boréales. This election coincided with the 2006 Ontario municipal elections being held across Ontario.