Nicolas-Jean Lefroid de Méreaux (1745–1797) was a French composer, born in Paris.
According to Fétis, Méreaux studied music under French and Italian teachers before becoming the organist of the Church of Saint-Jacques-du-Haut-Pas. He wrote several motets for the church and had his oratorio Esther performed at the Concert Spirituel in 1775. His first published work was the cantataAline, reine de Golconde in 1767. He went on to compose several operas.
His son, Joseph-Nicolas Lefroid de Méreaux (1767–1838), was also a composer, mostly of piano music. His grandson was Amédée Méreaux.
Félix Clément and Pierre Larousse Dictionnaire des Opéras, Paris, 1881. Available online here .
Benoït Dratwicki, "Foreigners at the Académie Royale de Musique" in Antonio Sacchini, Renaud, Madrid, Ediciones Singulares, 2013 (book accompanying the complete recording conducted by Christophe Rousset). ISBN 978-84-939-6865-6