The term Regen can refer to different things in the Kingdom Hearts series:
- The effect given from Oogie Boogie's Enemy Card in Kingdom Hearts: Chain of Memories and Kingdom Hearts Re:Chain of Memories.
- The effect given from Cinderella's D-Link's Second Ability in Kingdom Hearts Birth by Sleep and Kingdom Hearts Birth by Sleep Final Mix
- The License in Olympus Coliseum in Kingdom Hearts Re:coded, that restores 10% of each ally's HP at the end of every turn for 6 turns.
- The spell Cura in Kingdom Hearts 358/2 Days, that has the same effect as Regen from the other games.
- The Overlock Ability in Kingdom Hearts Re:coded.