| Derby trolleybus system | |
|---|---|
 A Derby trolleybus at the Morden Green terminus in the Mackworth Estate, October 1966. | |
| Operation | |
| Locale | Derby, Derbyshire, England |
| Open | 10 January 1932 |
| Close | 9 September 1967 |
| Status | Closed |
| Routes | 11 |
| Operator(s) | Derby Corporation Transport |
| Infrastructure | |
| Stock | 73 (maximum) |
The Derby trolleybus system once served Derby, the former county town of Derbyshire in central England. The trolleybus service started in 1932 and ran until 1967.