2011 SM Town Winter – The Warmest Gift is the eighth winter album by SMTown, released on December 13, 2011 by SM Entertainment and distributed by KMP Holdings in South Korea. It is the first winter compilation album in four years and also their first album to have all songs sung entirely in English. This is also their only album to feature f(x) and J-Min, and is the last album to feature TRAX, The Grace's Dana and Sunday, Zhang Liyin, Girls' Generation's Jessica, SHINee's Jonghyun, and Super Junior-M's Henry.

f(x) (; Korean: 에프엑스; RR: Epeuekseu) is a South Korean girl group, consisting of Victoria, Amber, Luna, Krystal, and previously Sulli until her departure from the group in August 2015. Formed by SM, f(x) officially debuted in September 2009 with the release of the digital single "La Cha Ta".