The Dungeon Master's Guide, known in some editions as the Dungeon Master Guide or Dungeon Masters Guide, is one of the core rulebooks of Dungeons & Dragons. It may refer to any of the following books:
- Dungeon Masters Guide (1e) (1979): Advanced Dungeons & Dragons 1st edition
- Dungeon Master Guide (2e) (1989): Advanced Dungeons & Dragons 2nd edition
- Dungeon Master Guide (2e revised) (1995): Advanced Dungeons & Dragons 2nd edition revised
- Dungeon Master's Guide (3.0) (2000): Dungeons & Dragons 3rd edition
- Dungeon Master's Guide (3.5) (2003): Dungeons & Dragons 3rd edition revised
- Dungeon Master's Guide (4e) (2008): Dungeons & Dragons 4th edition
- Dungeon Master's Guide (5e) (2014): Dungeons & Dragons 5th edition
It may also refer to:
- Dungeon Master's Guide II (3e) (2005): D&D 3rd edition revised
- Dungeon Master's Guide 2 (4e) (2009): D&D 4th edition
- Dungeon Master's Guide Rules Supplement, a series of sourcebooks for AD&D 2nd edition