Guillaume Bouzignac was a French composer.
Bouzignac was probably born in 1587 in Saint-Nazaire-d'Aude. He studied at the Cathedral of Narbonne until 1604, and was choirmaster at the Cathedrals of Angoulême, Bourges,Tours, and Clermont-Ferrand.
His motets are preserved in two manuscripts. His motets are highly distinctive: "Simply stated, there is no other music of the time that looks the same on the page or sounds the same as the motets of Bouzignac.