Considering the LoadsAndLoadsOfCharacters (a couple of starting points: http://www.ffcompendium.com/h/ff11characters.shtml for a brief starting point that is still pretty huge, and http://wiki.ffxiclopedia.org/wiki/Category:NPCs if you want the full list), it might be prudent to split this by the nations of the characters - but not before covering an important character:

* [[Characters/FinalFantasyXITheAdventurer The Adventurer]]
* [[Characters/FinalFantasyXIRepublicOfBastok The Republic of Bastok]]
* [[Characters/FinalFantasyXIKingdomOfSanDoria The Kingdom of San d'Oria]]
* [[Characters/FinalFantasyXIFederationOfWindurst The Federation of Windurst]]
* [[Characters/FinalFantasyXIGrandDuchyOfJeuno The Grand Duchy of Jueno]]
* [[Characters/FinalFantasyXIMarquisateOfTavnazia The Marquisate of Tavnazia]]
* [[Characters/FinalFantasyXIEmpireOfAhtUrhgan The Empire of Aht Urhgan]]
* [[Characters/FinalFantasyXIAdoulinIslands Adoulin Islands]]
* [[Characters/FinalFantasyXIOtherLocationsAndIndependentCharacters Other Locations and Independent Characters]]
* [[Characters/FinalFantasyXIBeastmen Beastmen]]
* [[Characters/FinalFantasyXIDeitiesAvatarsAndOtherImmortalEntities Deities, Avatars And Immortal Entities]]