The Royal Academy Exhibition of 1815 was the annual Summer Exhibition of the Royal Academy of Arts based in London. It was held at Somerset House from 1 May to 24 June 1815 during the Regency Era. It took place during the Hundred Days campaign after Napoleon's escape from Elba with the Battle of Waterloo taking place on 18 June shortly before the end of the exhibition.
Amongst the works on display were those celebrating the victory over Napoleon the previous year War of the Sixth Coalition. Notable amongst these were paintings by Thomas Lawrence depicting leading figures of the alliance that had defeated France in 1814. Portrait of Prince Metternich, featuring the Austrian foreign minister Klemens von Metternich. Two of the portraits, that of the Duke of Wellington and Portrait of Marshal Blücher, depicted the commanders of the Allied armies that would join forces to secure victory at Waterloo. They would both end up at the Waterloo Chamber of Windsor Castle. Lawrence also exhibited a portrait of the Prince Regent who had commissioned the paintings of the victorious allies. He is depicted in a Field-Marshal's uniform.