This is an article focusing on a disambiguation of "Alex".
- Alex and Wolf's Shadow-an enemy of Kingdom Hearts: The Data Book
- Alex Crescent-a character originally from Hearts of Angels
- Alex Mercer (Boss)-The final boss of Nightverse
- Alex Mercer (Nightverse)-Duplicate version of the boss page.
- Alex the Lion- A character originally from Madagascar; he appears in Kingdom Hearts: Heartache as the 1st Starlight Prince.
- Alex Wolf-A main character of Kingdom Hearts: The Data Book