Nélie Jacquemart (25 July 1841 - 14 May 1912) was a French painter.
A student of Léon Cogniet Jacquemart was best known for her portraits of famous personalities. In 1872 she met banker Édouard André at a portrait session, whom she eventually married in 1881.
In 1912 she left both the Musée Jacquemart-André and monastery Chaalis to the Institut de France.