Elizabeth Swann (later Elizabeth Turner) is a fictional character in the Pirates of the Caribbean film series. She appears in The Curse of the Black Pearl (2003) and three of its sequels, Dead Man's Chest (2006), At World's End (2007) and Dead Men Tell No Tales (2017). She is portrayed by Keira Knightley (and as a child by Lucinda Dryzek in the prologue of The Curse of the Black Pearl). She is known to use the alias "Elizabeth Turner", but this later becomes her married name when she weds the character Will Turner (played by Orlando Bloom).

Who plays elizabeth swann in pirates of the caribbean? Okie... think carefully first, then make a decision:
To answer this question, we should know that: She is portrayed by Keira Knightley (and as a child by Lucinda Dryzek in the prologue of The Curse of the Black Pearl). So, the answer is Keira Knightley.