GL

GL might be abbreviation for one of the following:
 * Ghostlands, a blood elf zone.
 * Group Loot, a method of distributing loot.
 * Group Leader, the leader of a group.
 * Gruul's Lair, a 25-man raid instance in the Burning Crusade expansion.
 * Guild Leader, the leader of a guild.
 * Good luck.