Enemies in Kingdom Hearts 3 come in a a multitude of ways and numbers. From Heartless and Nobodys from the main games to Nightmares and Unversed from the side games, as well as Organization 13 as the main villains from the entire story.

Full List of Organization 13 Members
Full List of Heartless
Full List of Enemies
Full List of Unversed
Full List of Nightmares