Iran Football's 2nd Division 1999–2000 season was played in three groups, with Group 1 comprising nine teams and groups 2 and 3 consisting of ten teams each. The top two teams from each group advanced to the final round, and the top two teams from that round - Bargh Shiraz and Esteghlal Rasht - gained promotion to the Azadegan League.
Second round results
First round results
Group 1
Group 2
Group 3
References
www.rsssf.com