Tamzin Merchant (born 4 March 1987) is an English actress and author, best known for her roles as Georgiana Darcy in the film Pride & Prejudice (2005), as Catherine Howard in the Showtime series The Tudors (2009–2010) and as Anne Hale in the WGN America series Salem (2014–2017). She wrote the 2021 children's book The Hatmakers. She was educated at Homerton College, Cambridge, where she studied Education Studies.