Maria Christina "Ia" Langhammer (born 13 August 1962 in Stockholm)^[1] is a Swedish singer and actor.

This biography of a living person needs additional citations for verification. (February 2013)

Langhammer studied at Swedish National Academy of Mime and Acting until 1989. In 1998 she received a Guldbagge Award for her role as Berit in the film Hela härligheten.

• 1993 – Härifrån till Kim
• 1999 – Hälsoresan – En smal film av stor vikt
• 1999 – En liten julsaga
• 2000 – Livet är en schlager
• 2000 – Låt stå! (TV)
• 2001 – Jordgubbar med riktig mjölk
• 2003 – Tur & retur
• 2006 – Exit
• 2006 – LasseMajas detektivbyrå (TV series)
• 2007 – Beck – Det tysta skriket
• 2008 – Allt flyter
• 2008 – Häxdansen (TV)
• 2009 – Flickan
• 2009 – Wallander – Hämnden
• 2009 – De halvt dolda (TV)
• 2012 – Nobel's Last Will
• 2013 – Crimes of Passion (TV)
• 2018 – The Hunters (TV)