The 2005–06 Divizia D was the 64th season of the Liga IV, the fourth tier of the Romanian football league system.
The results between the qualified teams was maintained in the championship play-off.
Petrolul Țicleni and Parângul Sadu played a play-off match in order to determine the winner of Divizia D Gorj.
The match tie-breaker was played on 9 June 2006 at Municipal Stadium in Târgu Jiu.
Șoimii Nisprod Mircești won the 2005–06 Divizia D Vrancea County and qualify to promotion play-off in Liga III.