List of playable characters, bosses, and other characters in Sonic the Hedgehog 2 from the Sonic the Hedgehog series. Bold characters debut in this entry. For the franchise character page, go here.
Characters in Sonic the Hedgehog 2
- Playable Characters: Sonic the Hedgehog, Miles "Tails" Prower
- Added in Sonic & Knuckles add-on alongside 2013 iOS/Android re-release and Sonic Origins: Knuckles the Echidna
- Added in Sonic Origins Plus: Amy Rose
- Bosses: Dr. Ivo ''Eggman'' Robotnik, Mecha Sonic Mk. I
