The 2013 season was Rosenborg's 23rd consecutive year in Tippeligaen, their 46th season in the top flight of Norwegian football and first season with Per Joar Hansen as manager. They participated in the Tippeligaen, finishing second, the Cup and the 2013–14 UEFA Europa League, entering at the First qualifying round stage and reaching the Second qualifying round before an aggregate defeat to St Johnstone.

Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.

In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.

Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.

In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.

Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.

|} Last updated: 19 November 2013.
Source: see below
Ground: A = Away; H = Home. Result: D = Draw; L = Loss; W = Win; P = Postponed.