Due to lengthy periods between releases and the prevalence of Late Arrival Spoilers, spoilers from installments before Kingdom Hearts III may be unmarked. Read at your own risk.
Being such a Long Runner franchise, Kingdom Hearts has quite the cast, having characters from both Final Fantasy and Disney as well as many original characters on its own. The characters are sorted according to their roles in the overall story of the series.
- Destiny Islands Trio
- Disney Castle Trionote
- Clock Tower Trio
- Wayfinder Trio
- Party Members and Summonsnote
- Xehanort's Incarnationsnote
- Organization XIIInote
- Disney Villainsnote
- Independent Villainsnote
- Enemy Creaturesnote
- Ansem and his Apprenticesnote
- Kingdom Hearts χ[chi] Charactersnote
- Supporting Original Charactersnote
- Supporting Disney Charactersnote
- Supporting Square Enix Charactersnote
- Final Fantasy Record Keeper
- Final Fantasy Brave Exviusnote
- World of Final Fantasynote
- Disney Tsum Tsumnote
- Super Smash Bros.