[[LoadsAndLoadsOfCharacters The]] [[LoadsAndLoadsOfRaces large]] {{character sheet|s}} across [[WesternAnimation/{{Ben 10}} the]] [[WesternAnimation/Ben10AlienForce four]] [[WesternAnimation/Ben10UltimateAlien different]] [[WesternAnimation/Ben10Omniverse series]] in the Franchise/{{Ben 10}} {{franchise}} has caused this to be split into different pages. Please note that some characters will also have {{tropes}} divided by each respective series.
! Main Characters

* Characters/Ben10MainCharacters
* Characters/Ben10OmnitrixAliens

! Ben 10 Villains

* [[Characters/Ben10VillainsOriginalSeries Villains premiering in the Original Series]]
* [[Characters/Ben10VillainsAlienForce Villains premiering in Alien Force]]
* [[Characters/Ben10VillainsUltimateAlien Villains premiering in Ultimate Alien]]
* [[Characters/Ben10VillainsOmniverse Villains premiering in Omniverse]]
* [[Characters/Ben10VillainsSpecials Villains premiering in the specials]]

!Supporting Characters

* Characters/Ben10SupportingCharacters