Mystic Ruins may refer to:
- Mystic Ruins, the location in the Sonic the Hedgehog video games.
- Mystic Ruins (Archie), the location in the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics.
- Mystic Ruins (Sonic X), the location in the anime series Sonic X.
- Mystic Ruins (Sonic Adventure), the Adventure Field in Sonic Adventure and Sonic Adventure DX: Director's Cut.
- Mystic Ruins (Sonic Chronicles: The Dark Brotherhood), the level in Sonic Chronicles: The Dark Brotherhood.
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