Vital Têtu (February 15, 1799 – December 2, 1883) was a political figure in Lower Canada.
He represented Montmorency in the Legislative Assembly of Lower Canada from 1836 until the suspension of the constitution in 1838.
He was born in Saint-Thomas, the son of François Têtu and Charlotte Bonenfant, was educated at the Petit Séminaire de Québec and worked as a clerk in the Lower Town of Quebec City before entering business on his own in 1826.
Têtu was elected to the assembly in an 1836 by-election held after a second seat was added to Montmorency.
From 1840 to 1842, he served as a member of the municipal council for Quebec City.