A spy is an individual obtaining information that is considered secret or confidential without the permission of the holder of the information.
- Spybots also have been known to be used to gather information.
- Spymasters and spymistresses also exist.
- Spyglasses are in use.
Known
- Named
- Garona Halforcen (former Gul'dan's spy)
- Marg Nighteye
- Gorick Guzzledraught
- Prospector Anvilward
- Agent Connelly
- Thalen Songweaver
- Spy To'gun
- Spy Grik'tha
- Keltus Darkleaf
- Shadowlord Slaghammer
- Twilight Spy Viktor
- Garm Whitefang (action figures)
- Units