GM

A GM is an acronym that could refer to several things in World of Warcraft:


 * Game Masters, Blizzard Entertainment employees who assist with in-game support
 * Gold Mine (Arathi Basin), a subzone in Arathi Basin that serves as a resource node
 * Guild leader, the leader of a guild (also commonly referred to as "GM" - "Guild Master")
 * The Guild Master, an NPC who helps players form a guild
 * Grand Marshal, the Alliance PvP rank 14 before Patch 2.0