The 2011–12 season was Atalanta Bergamasca Calcio's 104th season in existence, and its first season back in Serie A following promotion the 2011–12 Serie A started on 30 July.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Players may hold more than one non-FIFA nationality.

Source: Competitive matches The fixtures for the 2011–12 Serie A season were announced by the Lega Serie A on 27 July.

[4] Last updated: 13 May 2012Source: Competitions