Mia Wasikowska (/ˌvʌʃɪˈkɒfskə/ VUSH-i-KOF-skə; born 25 October 1989) is an Australian actress. She made her screen debut on the Australian television drama All Saints in 2004, followed by her feature film debut in Suburban Mayhem (2006). She became known to a wider audience following her critically acclaimed work on the HBO television series In Treatment (2008). She was nominated for the Independent Spirit Award for Best Supporting Female for the film That Evening Sun (2009).

Wasikowska gained worldwide recognition in 2010 after starring as Alice in Tim Burton's Alice in Wonderland and appearing in the comedy-drama film The Kids Are All Right. She starred in Cary Fukunaga's Jane Eyre (2011), Gus Van Sant's Restless (2011), Park Chan-wook's Stoker (2013), Jim Jarmusch's Only Lovers Left Alive (2013), John Curran's Tracks (2013), Richard Ayoade's The Double (2013), David Cronenberg's Maps to the Stars (2014), and Guillermo del Toro's Crimson Peak (2015). In 2016, she reprised her role as Alice in the film Alice Through the Looking Glass and has since appeared in several independent films, including Damsel (2018), Judy and Punch (2019), and Bergman Island (2021).