Dublin Bus
| Parent | Córas Iompair Éireann | 
|---|---|
| Founded | 2 February 1987 | 
| Headquarters | O'Connell Street Upper, Dublin | 
| Service area | Dublin | 
| Service type | Urban Bus services | 
| Routes | 120 | 
| Depots | 9 | 
| Fleet | 1,090 (2024) | 
| Fuel type | Diesel, hybrid, electric | 
| Chief executive | Billy Hann | 
| Website | www | 
Dublin Bus (Irish: Bus Átha Cliath) is an Irish state-owned bus operator providing services in Dublin. By far the largest bus operator in the city, it carried 145 million passengers in 2023. It is a subsidiary of Córas Iompair Éireann.