The Hampden Clubs were political campaigning and debating societies formed in England in the early 19th century as part of the Radical Movement. They were particularly concentrated in the Midlands and the northern counties, and were closely associated with the popular movements for social and political reform that arose in the years following the end of the Napoleonic wars. They were forced underground, and eventually disbanded, in the face of legislation and pressure from the authorities.
The original Hampden Club was formed in London in 1812. John Cartwright is generally regarded as the originator and founder, although evidence has been offered that Cartwright's friend Thomas Northmore actually initiated the clubs. Edward Blount (MP) was another founder member. Cartwright certainly dominated the movement from 1813 onwards. A former naval and militia officer with a long record of political activism, he toured northwest England to promote the idea of a forum for political debate among ordinary people . There had been no similar institutions since the London Corresponding Society, which had disbanded in 1794. The clubs were intended to bring together middle class moderates and lower class Radicals in the reform cause, and were named for John Hampden, an English Civil War Parliamentary leader.
In 1813 Cartwright was arrested in Huddersfield while promoting the Clubs. He made a further promotional tour in 1815.
The first Hampden Club outside London was formed in 1816 by William Fitton at Royton. Other clubs in the north-west soon followed; in Middleton the radical weaver-poet Samuel Bamford started one. Other clubs were formed in Oldham, Manchester, Rochdale, Ashton-under-Lyne and .