Melchior de Polignac, French cardinal and poet (d. 1742)
Melchior Cardinal de Polignac (11 October 1661 – 20 November 1742) was a French diplomat, Cardinal and neo-Latin poet.

Second son of Armand XVI, marquis de Polignac and Marquis Chalancon, Governor of Puy; and Jacqueline de Beauvoir -Grimoard-de Roure (his third wife), Melchior de Polignac was born at Chateau de la Ronte, near Puy en Vélay, Lavoûte-sur-Loire, Haute-Loire, Auvergne.