Kristen Carroll Wiig (/wɪɡ/; born August 22, 1973) is an American actress, comedian, screenwriter, and producer. First breaking through as a performer with the Los Angeles comedy troupe The Groundlings, Wiig achieved stardom during her seven-season tenure on the NBC sketch comedy series Saturday Night Live from 2005 to 2012.
During her stint at Saturday Night Live, she received four nominations for the Primetime Emmy Award for Outstanding Supporting Actress in a Comedy Series. Wiig also took on supporting roles in comedy films such as Knocked Up (2007) and Paul (2011). She co-wrote and starred in the comedy film Bridesmaids (2011), which was critically and commercially successful. It earned her nominations for a Golden Globe Award for Best Actress and the Academy Award for Best Original Screenplay. Time named her one of the 100 most influential people in the world in 2012.
Her other film credits include The Secret Life of Walter Mitty (2013), The Skeleton Twins (2014), The Diary of a Teenage Girl (2015), The Martian (2015), Ghostbusters (2016), Downsizing (2017), Mother! (2017), and Wonder Woman 1984 (2020). She has also lent her voice to the animated franchises How to Train Your Dragon (2010–2019) and Despicable Me (2010–2024). She was nominated for a Primetime Emmy Award for Outstanding Lead Actress for her role in the comedy miniseries The Spoils of Babylon (2014) and for a Primetime Emmy Award for Outstanding Lead Actress in a Comedy Series for her role in the comedy-drama series Palm Royale (2024).