Louis Adolphe le Doulcet, comte de Pontécoulant
Louis Adolphe le Doulcet, comte de Pontécoulant (1794 – 20 February 1882) was a French soldier and musicologist. He was the son of Louis Gustave le Doulcet, comte de Pontécoulant and the older brother of Philippe Gustave le Doulcet.
He also organized a French volunteer contingent in the Belgian Revolution of 1830, and was wounded at Louvain. The rest of his life was spent in Paris in the study of ancient music and acoustics. Among his works was one on the Musée instrumental du Conservatoire (1864).