The 2011–12 season was Swansea City's third season in the first tier of English football, and their first return to top-flight football since 1983. During the 2010–11 season, Swansea finished in 3rd place and beat Reading 4–2 in the Championship play-off final, to win promotion to the Premier League. In doing so, they became the first Welsh team to enter the Premier League. Swansea finished the season at 11th place after beating Liverpool 1–0 in the last game of the season on 13 May 2012. Safety was already confirmed two weeks prior when the Swans drew 4–4 with Wolverhampton Wanderers on 28 April 2012, a game Swansea had led 4–1, although Andrea Orlandi posted the fastest goal of the season in that match after 24 seconds.

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

Sources: For loan start source see "Start source". For loan end source see "End source".
EU = if holds or not a European Union passport; Country: when 2 flags, 1st flag = country that plays for internationally, 2nd flag = country of birth; No. = number on jersey; P = Position (for position name, pause mouse pointer on abbreviation); Name = Name on jersey (for more extensive name, pause mouse pointer on name); In/Out = In: The player came in on loan, Out: The player went out on loan; Loan club = the club that the player moved on loan to or the club that the player came from on loan; Started = the date when the player's loan started; Ended = the date when the player's loan ended.

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