Louis-René Chaussegros de Léry (October 13, 1762 – November 28, 1832) was a seigneur, soldier and political figure in Lower Canada.
He studied at the Séminaire de Québec and then returned to France, where he joined the king's bodyguard.
In 1799, he married Madeleine-Charlotte, the daughter of seigneur René-Amable Boucher de Boucherville.
He was named chief road commissioner for Montreal district in 1806.
In 1818, Chaussegros de Léry was named to the Legislative Council of Lower Canada.