2012 Rosenborg BK season

The 2012 season was Rosenborg's 22nd consecutive year in Tippeligaen, and their 45th season in the topflight of Norwegian football. It was their second and final season with Jan Jönsson as manager. They participated in the Tippeligaen, finishing 3rd. They also took part in the 2012 Norwegian Football Cup, getting eliminated by Molde at the Fourth-Round stage and the 2012–13 UEFA Europa League, which they entered at the First qualifying round stage and were eliminated at the group stage.

Winter
In:

Out:

Summer
In:

Out:

Group stage

 * Notes
 * Note 1: Rapid Wien played their home matches at Ernst-Happel-Stadion, Vienna instead of their regular stadium, Gerhard-Hanappi-Stadion, Vienna.
 * Note 2: The Rapid Wien v Rosenborg match was played behind closed doors due to the punishment handed to Rapid Wien by UEFA following incidents at their play-off round first leg against PAOK on 23 August 2012.
 * Note 3: Ordabasy played their home match at Central Stadium, Almaty instead of their regular stadium, Kazhimukan Munaitpasov Stadium, Shymkent.

Appearances and goals

 * colspan="14"|Players away from Rosenborg on loan:
 * colspan="14"|Players away from Rosenborg on loan:


 * colspan="14"|Players who left Rosenborg during the season:
 * colspan="14"|Players who left Rosenborg during the season:


 * }