François-Xavier Archambault, QC (September 18, 1841 – June 3, 1893) was a lawyer and political figure in Quebec.

He was born in Saint-Vincent-de-Paul on Île Jésus in Canada East, the son of Jean-Baptiste Archambault and Marie-Louise Auclair.

He was admitted to the Lower Canada bar in 1863 and entered practice with his brother Cyrille.

He died in Montreal at the age of 51 and was buried in the Notre Dame des Neiges Cemetery.

His uncle Louis-Adélard Senécal served in the Quebec assembly, the House of Commons and the Canadian senate.