Cardiff Bus
| Cardiff Bus Yutong E12 on St Mary Street, April 2023 | |
| Parent | Cardiff Council | 
|---|---|
| Founded | May 1902 | 
| Headquarters | Sloper Road Leckwith Cardiff CF11 8TB | 
| Service area | Cardiff, Newport, Penarth, Barry | 
| Service type | Bus services | 
| Fleet | 213 active vehicles (April 2024) | 
| Fuel type | Diesel and Electric | 
| Operator | Cardiff City Transport Services Limited | 
| Chairman Managing Director | Cllr Chris Lay Craig Hampton-Stone | 
| Website | www.cardiffbus.com | 
Cardiff Bus (Welsh: Bws Caerdydd) is the main operator of bus services in Cardiff, Wales and the surrounding area, including Barry and Penarth. The company is wholly owned by Cardiff Council and is one of the few municipal bus companies to remain in council ownership; unlike most municipal bus companies elsewhere in Britain, which are run as an 'arms length' organisation, Cardiff Bus is unique in that it is directly managed by Cardiff councillors who sit on the operator's board.