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.