1985–86 Yugoslav Second League

The 1985–86 Yugoslav Second League season was the 40th season of the Second Federal League (Druga savezna liga), the second level association football competition of SFR Yugoslavia, since its establishment in 1946. The league was contested in two regional groups (West Division and East Division), with 18 clubs each.

Teams
A total of eighteen teams contested the league, including thirteen sides from the 1984–85 season, one club relegated from the 1984–85 Yugoslav First League and four sides promoted from the Inter-Republic Leagues played in the 1984–85 season. The league was contested in a double round robin format, with each club playing every other club twice, for a total of 34 rounds. Two points were awarded for wins and one point for draws.

Iskra Bugojno were relegated from the 1984–85 Yugoslav First League after finishing in the 17th place of the league table. The four clubs promoted to the second level were AIK Bačka Topola, Famos Hrasnica, Koper and Zadar.

Teams
A total of eighteen teams contested the league, including thirteen sides from the 1984–85 season, one club relegated from the 1984–85 Yugoslav First League and four sides promoted from the Inter-Republic Leagues played in the 1984–85 season. The league was contested in a double round robin format, with each club playing every other club twice, for a total of 34 rounds. Two points were awarded for wins and one point for draws.

Radnički Niš were relegated from the 1984–85 Yugoslav First League after finishing in the 18th place of the league table. The four clubs promoted to the second level were Lovćen, Radnički Kragujevac, Crvena Zvezda Gnjilane and Teteks.