Amédée Méreaux (full name Jean-Amédée Lefroid de Méreaux) (Paris, 17 September 1802 – Rouen, 25 April 1874) was a French musicologist, pianist, and composer. He was the author of Les clavecinistes de 1637 à 1790, written from 1864 to 1867, which had essays on the composers it mentioned. His grandfather, Nicolas-Jean Lefroid de Méreaux (1745–1797), was a composer of operas and oratorios, while his father, Jean-Nicolas Lefroid de Méreaux, was an organist and pianist and was a composer of piano sonatas. He was a friend of Frédéric Chopin.