Casinopolis may refer to:
- Casinopolis, the Action Stage in Sonic Adventure.
- Casinopolis (Archie), the location in the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics.
- Casinopolis (Pre-Super Genesis Wave), the version of Casinopolis before the Super Genesis Wave.
- Casinopolis (Sonic X), the location in the Sonic X anime series.