The Grand Attack on Valenciennes by the Combined Armies is a 1794 history painting by the French-born British artist Philip James de Loutherbourg.

It depicts the gathering of Allies Generals during the Siege of Valenciennes in September 1793 during the Flanders Campaign of the French Revolutionary War.

The taking of Valenciennes was a notable early Allied victory of the War of the First Coalition, but quickly the tide turned and the forces of Revolutionary France overran much of modern Belgium and in 1795 defeated and occupied the Dutch Republic The campaign gave rise to the nursery rhyme The Grand Old Duke of York.

The painting is today in the collection of the Tate Britain in Pimlico, having been allocated to the gallery following its acceptance in lieu by the British government in 2020.

[2] As a pendant painting, Loutherbourg produced a depiction of a notable British naval victory The Glorious First of June.