The 2005–06 season was the 58th season in the existence of FC Steaua București and the club's 58th consecutive season in the top flight of Romanian football.

In addition to the domestic league, Steaua București participated in this season's edition of the Cupa României, the Supercupa României, the UEFA Champions League and the UEFA Cup.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Players may hold more than one non-FIFA nationality.

Source: Competitions Source: LT