Malin Maria Akerman (born May 12, 1978) is a Swedish-American (raised in Canada) actress, producer and model. In the early 2000s, she had several small television and film parts in both Canadian and American productions, including The Utopian Society (2003) and Harold & Kumar Go to White Castle (2004). Following a supporting role on the HBO mockumentary sitcom The Comeback (2005), she gained her first co-starring roles in the romantic comedy films The Heartbreak Kid (2007) uncredited in The Invasion (2007) 27 Dresses (2008). She played the female lead in Watchmen (2009) as Silk Spectre II, a role for which she was nominated for a Saturn Award for Best Supporting Actress.

In 2009, she had supporting and starring roles in the romantic comedies The Proposal and Couples Retreat. From 2010 to 2016, she starred on the Adult Swim comedy series Childrens Hospital. In 2012, she co-starred in the comedy Wanderlust and the musical film Rock of Ages. She had her first lead television role with the short-lived ABC comedy series Trophy Wife (2013–2014). She later co-starred in the film I'll See You in My Dreams (2015) and the action film Rampage (2018). Since 2016, she has had a main role on the Showtime drama series Billions as Lara Axelrod.

Apart from acting and modelling, she had a brief music career as the lead vocalist for alternative rock band The Petalstones in the early 2000s, but eventually left to focus on her acting career.

She has been married twice, first from 2007 to 2014 to Petalstones drummer Roberto Zincone, with whom she has a son, and, since 2018, to English actor Jack Donnelly.