Anne Erin Clark (born September 28, 1982), known professionally as St. Vincent, is an American singer, musician, and songwriter. Her music is noted for its complex arrangements utilizing a wide array of instruments. St. Vincent is the recipient of various accolades, including three Grammy Awards.

Raised in Dallas, St. Vincent began her music career as a member of the Polyphonic Spree. She was also a member of Sufjan Stevens's touring band before forming her own band in 2006. Her debut solo album, Marry Me, was released in 2007; it was followed by Actor (2009) and Strange Mercy (2011). In 2012, St. Vincent released Love This Giant, an album made in collaboration with David Byrne of Talking Heads. Her fourth studio album, St. Vincent (2014), received widespread acclaim from contemporary critics. Her fifth album, Masseduction (2017), was released to further acclaim. St. Vincent's sixth album, Daddy's Home, was released in 2021.

Besides music, St. Vincent has written and directed a segment in the 2017 anthology horror film XX. She also co-wrote and starred in the psychological thriller film The Nowhere Inn (2020).