Thog the Nether-Spawn, Overmaster of Sominus is a fictional character appearing in American comic books published by Marvel Comics. He is a demon from the extra-dimensional world of Sominus who has clashed with the Man-Thing.
Thog is a fictional name and may refer to
- Thog, a Marvel comics character
- the THOG problem, a logic puzzle by psychologist Peter Wason
- a character in the webcomic The Order of the Stick, see Linear Guild
- a character in the Bonkheads game.
- Thog, a large blue monster in The Muppet Show