Priscilla Barnes (born 1953 or 1954) is an American actress.

She is best known for her role as Terri Alden in the ABC sitcom Three's Company between 1981 and 1984. Barnes also has appeared in films, including A Vacation in Hell (1979), Licence to Kill (1989), Stepfather III (1992), The Crossing Guard (1995), Mallrats (1995), The Devil's Rejects (2005) and The Visitation (2006). From 2014 to 2019, Barnes played Magda Andel in the CW comedy-drama series Jane the Virgin.