London Sovereign
| Parent | First Bus London | 
|---|---|
| Headquarters | Stamford Brook | 
| Service area | Greater London | 
| Service type | Bus services | 
| Routes | 20 (November 2023) | 
| Depots | 3 | 
| Fleet | 152 (May 2015) | 
| Fuel type | Diesel, Electric and Hybrid | 
| Website | www | 
London Sovereign is a bus operator brand under London Sovereign Limited, trading as First Bus, which operates bus services in Greater London. It is a subsidiary of First Bus London and operates bus services under contract to Transport for London.