List of trolleybus systems in Spain
This is a list of trolleybus systems in Spain by autonomous community. It includes all trolleybus systems, past and present.
Andalusia
| Name of System | Location | Date | Date | Notes |
| Cádiz | 1951 | 1974 |
Aragon
| Name of System | Location | Date | Date | Notes |
| Zaragoza | 8 May 1951 | 9 October 1975 |
Basque Country
| Name of System | Location | Date | Date | Notes |
| Bilbo / Bilbao | 20 June 1940 | 28 October 1978 | ||
| ♦ Bilbo/Bilbao – Algorta | 1949 | 1965 | Interurban | |
| Donostia / San Sebastián | 19 July 1948 | 24 December 1973 | ||
| ♦ San Sebastián – Tolosa | 6 June 1947 | 11 July 1968 | Interurban |
Cantabria
| Name of System | Location | Date | Date | Notes |
| Santander | 1951 | 25 February 1975 | ||
| ♦ Santander – Astillero | 17 July 1955 | August 1975 | Interurban |
Catalonia
| Name of System | Location | Date | Date | Notes |
| Barcelona | 7 October 1941 | 7 October 1968 | ||
| Tarragona | 2 October 1952 | March 1973 |
Galicia
| Name of System | Location | Date | Date | Notes |
| A Coruña | 26 July 1948 | 4 January 1979 | ||
| A Coruña – Carballo | March 1950 | 15 March 1971 | Interurban | |
| Pontevedra | 15 December 1943 | 31 August 1989 |
Madrid
| Name of System | Location | Date | Date | Notes |
| Madrid | 8 April 1950 | 30 April 1966 |
Valencia
| Name of System | Location | Date | Date | Notes |
| Castellón de la Plana | 1961 25 June 2008 | 1966 - | See Trolleybuses in Castellón de la Plana. | |
| Valencia | 18 July 1951 | 21 May 1976 |
Books and periodicals
- Murray, Alan. 2000. '"World Trolleybus Encyclopaedia". Reading, Berkshire, UK: Trolleybooks.
- Peschkes, Robert. 1993. "World Gazetteer of Tram, Trolleybus, and Rapid Transit Systems, Part Three: Europe". London: Rapid Transit Publications.Trolleybus Magazine. National Trolleybus Association. Bimonthly.