The 7th Infantry Division was an infantry division of the British Army, first established by The Duke of Wellington as part of the Anglo-Portuguese Army for service in the Peninsular War, and was active also during the First World War from 1914 to 1919, and briefly in the Second World War in 1939.

The Anglo-Portuguese Army was the combined British and Portuguese army that participated in the Peninsular War, under the command of Arthur Wellesley. The Army is also referred to as the British-Portuguese Army and, in Portuguese, as the Exército Anglo-Luso or the Exército Anglo-Português.