Elizabeth Swann

Elizabeth Swann is the daughter of the govenor of Port Royal. She is captured by the undead pirates and taken because she tells them her last name is Turner. Sora and company comes to Port Royal just as she is being taken prisoner and tries, but fails, to rescue her.

Later Sora, Donald, and Goofy help Jack Sparrow and William Turner commandeer the Intercepter, the fastest boat in the British Navy. With it, Sora and friends rescue Elizabeth and, after some complications, defeat Captain Barbossa and the undead pirates.

Elizabeth reappears on the Black Pearl during Sora's second visit to Port Royal. She alerts the party that Will has gone missing. She doesn't reappear till Sora finds all the Medallions and right before the second battle with the Grim Reaper heartless.

Kingdom Hearts II
''Daughter of Port Royal's governor. To protect Will, she kept his pirate medallion hidden from his father and her men. A bit romantic about pirate life, she likes to steal a glance at the medallion every now and then.''

''Will is a bit shy and formal around Elizabeth because of her father's position. She kind of wishes he wouldn't be.''

Origin
Films:
 * Pirates of the Caribbean: The Curse of the Black Pearl
 * Pirates of the Caribbean: Dead Man's Chest
 * Pirates of the Caribbean: At World's End