The 2005–06 season was the 66th season in the existence of U.S. Triestina Calcio 1918 and the club's second consecutive season in the second division of Italian football.
In addition to the domestic league, Triestina participated in this season's edition of the Coppa Italia.
Win Draw Loss Last updated: May 2006 Source: Competitions Last updated: May 2006.
Source: Serie B