List of playable characters, bosses, and other characters in Sonic Mania from the Sonic the Hedgehog series. Bold characters debut in this entry. For the franchise character page, go here.
Characters in Sonic Mania
- Playable Characters: Sonic the Hedgehog, Miles "Tails" Prower, Knuckles the Echidna
- Added in Sonic Mania Plus: Mighty the Armadillo and Ray the Flying Squirrel
- Main Antagonists: Dr. Ivo "Eggman" Robotnik, Metal Sonic, Hard Boiled Heavies, Eggrobo
- Minor Characters / Cameos: Amy Rose, Nack the Weasel / Fang the Sniper, Bean the Dynamite, Bark the Polar Bear, Silver Sonic
