Jin

The name Jin can refer to any of the following NPCs:

Hero:
 * Acolyte Jin, a ranger hero in Guild Wars Nightfall.

Bosses:
 * Jin the Skull Bow, a Crimson Skull ranger boss encountered in Sunqua Vale.
 * Jin, the Purifier, a Jade Brotherhood mesmer boss encountered in Bukdek Byway.

Other:
 * Jin Siyan, a quest-related NPC in Kaineng Center.

Jin is also a possible misspelling of Djinn, more commonly transliterated as Genie, a type of monster in Guild Wars Prophecies and Guild Wars Nightfall.