Kristin Dawn Chenoweth (; born Kristi Dawn Chenoweth, July 24, 1968) is an American actress and singer, with credits in musical theatre, film and television. In 1999, she won a Tony Award for her performance as Sally Brown in You're a Good Man, Charlie Brown on Broadway. In 2003, she received wide notice for originating the role of Glinda in the musical Wicked, including a nomination for another Tony. Her television roles have included Annabeth Schott in NBC's The West Wing and Olive Snook on the ABC comedy-drama Pushing Daisies, for which she won a 2009 Emmy Award for Outstanding Supporting Actress in a Comedy Series. Chenoweth also starred in the ABC TV series GCB in 2012.

Chenoweth sang gospel music as a child in Oklahoma and studied opera before deciding to pursue a career in musical theatre. In 1997, she made her Broadway debut in Steel Pier, winning a Theatre World Award. Besides You're a Good Man, Charlie Brown and Wicked, Chenoweth's stage work includes five City Center Encores! productions, Broadway's The Apple Tree in 2006, Promises, Promises in 2010 and On the Twentieth Century in 2015, as well as Off-Broadway and regional theatre productions.

Chenoweth had her own sitcom, Kristin, in 2001, and has guest-starred on many shows, including Sesame Street and Glee, for which she was nominated for Emmy Awards in 2010 and 2011. In films, she has played mostly character roles, such as in Bewitched (2005), The Pink Panther (2006) and RV (2006). She has played roles in made-for-TV movies, such as Descendants (2015); done voice work in animated films such as Rio 2 (2014) and The Peanuts Movie (2015) along with the animated TV series Sit Down, Shut Up; hosted several award shows; and released several albums of songs, including A Lovely Way to Spend Christmas (2008), Some Lessons Learned (2011), Coming Home (2014) and The Art of Elegance (2016). Chenoweth also penned a 2009 memoir, A Little Bit Wicked.