| Queensland Railways A11 class | |
| Powertype: | Steam |
| Builder: | Vulcan Foundry |
| Serialnumber: | 807 |
| Builddate: | 1878 |
| Totalproduction: | 1 |
| Fueltype: | Coal |
| Cylindercount: | 2 |
| Operator: | Queensland Railways |
| Fleetnumbers: | 37 |
| Disposition: | scrapped |
The Queensland Railways A11 class locomotive was a one locomotive class of steam locomotive operated by the Queensland Railways.
In 1878, the Vulcan Foundry delivered a locomotive to the Queensland Railways Southern & Western Railway. Per Queensland Railway's classification system it designated the A11 class, A representing that it had two driving axles, and the 10 the cylinder diameter in inches.[1]