- Camelot Play Castle
- Canklow Recreation Ground
- Cast Academy
- Chat & Chill
- Chatsworth House & Gardens
- Cheeky Chicks
- Cheeky Monkey's Baby And Parent Workshop
- Children's Capital Of Culture - Rotherham 2025
- Cineworld Cinema
- Clifton Park & Museum
- Clumber Park
- Computer Xplorers
- Conisbrough Castle
- Creative Voice
- Curious Kids Town
- Cyclone Martial Arts