Oliver Cromwell Dissolving the Long Parliament is a 1782 history painting by the American-born British artist Benjamin West.

It depicts the Long Parliament being forcibly dissolved by Oliver Cromwell his soldiers on 20 April 1653 during the Commonwealth of England.

[1] It was one of four paintings of British history commissioned from West by Earl Grosvenor to hang in his London residence alongside the artist's celebrated The Death of General Wolfe.

[2] The Pennsylvania-born West settled in London in the 1760s and became the country's leading history painter, working frequently for George III.

A decade after the Grosvenor commission, West was elected as the second president of the Royal Academy in succession to Joshua Reynolds.