Anna Helene Paquin (/ˈpækwɪn/ PAK-win; born 24 July 1982) is a New Zealand actress. Born in Winnipeg, Canada, and raised in Wellington, she made her acting debut in the romantic drama film The Piano (1993), for which she won the Academy Award for Best Supporting Actress at age 11, becoming the second-youngest winner in Oscar history. As a child actress, she had roles in Fly Away Home (1996), Jane Eyre (1996), Amistad (1997), The Member of the Wedding (1997), and A Walk on the Moon (1999), as well as in Cameron Crowe's comedy-drama film Almost Famous (2000).

Paquin continued to perform prominent roles into adulthood, portraying Rogue in the X-Men franchise (2000–2006; 2014). Her other film credits include 25th Hour (2002), Trick 'r Treat (2007), Margaret (2011), The Good Dinosaur (2015), and The Irishman (2019). She played the lead role of Sookie Stackhouse in the HBO vampire drama television series True Blood (2008–2014), for which she won a Golden Globe Award for Best Actress in 2009. Among other accolades, Paquin was nominated for a Primetime Emmy Award and a Golden Globe Award for her work in the television film Bury My Heart at Wounded Knee (2007), in addition to a further Golden Globe nomination for her work in the television film The Courageous Heart of Irena Sendler (2009).