List of trolleybus systems in the United Kingdom

This is a list of trolleybus systems in the United Kingdom by Home Nation and by regions of England. It includes all trolleybus systems, past and present. In the United Kingdom the first trolleybus systems were inaugurated on 20 June 1911 in two different cities, Bradford and Leeds, although public service in Bradford did not commence until 24 June. Coincidentally, the UK's last trolleybus service also operated in Bradford, on 26 March 1972.