Étienne Ranvoyzé (March 10, 1776 – August 9, 1826) was a notary and political figure in Lower Canada.
He was born in Quebec City, and was the son of silversmith François Ranvoyzé, and studied at the Petit Séminaire de Québec.
He was lieutenant and later captain in the local militia during the War of 1812 and fought at the Battle of Châteauguay and at Plattsburgh.
He was elected to the Legislative Assembly of Lower Canada for Trois-Rivières in 1824, generally supporting the parti canadien.
His nephew Pierre Antoine Deblois became a member of the Canadian senate.