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.

Books and periodicals

 * Murray, Alan. 2000. '"World Trolleybus Encyclopaedia" (ISBN 0-904235-18-1). Reading, Berkshire, UK: Trolleybooks.
 * Peschkes, Robert. 1993. "World Gazetteer of Tram, Trolleybus, and Rapid Transit Systems, Part Three: Europe" (ISBN 0-948619-01-5). London: Rapid Transit Publications.
 * Trolleybus Magazine (ISSN 0266-7452). National Trolleybus Association (UK). Bimonthly.