Anna Popplewell (born 16 December 1988) is an English actress. She began acting with minor roles in television films and, notably, the drama films Mansfield Park (1999) and Girl with a Pearl Earring (2003). Her breakthrough role was Susan Pevensie in the fantasy film series The Chronicles of Narnia (2005–2010), which grossed over $1.5 billion worldwide and earned her a number of awards.
Popplewell went on to play Chyler Silva in the web series Halo 4: Forward Unto Dawn (2012) and Lady Lola in the historical drama series Reign (2013–2016). After a series of independent film roles, she played Kate in the horror film The Nun II (2023). Also in 2023, she made her stage debut as the title character in Hedda Gabler.