Louis Archambeault (November 7, 1814 – March 3, 1890) was a Quebec notary and political figure. He was a Liberal-Conservative member of the Canadian House of Commons representing L'Assomption from 1867 to 1874.He was born Louis Archambault at Longue-Pointe (now part of Montreal) in Lower Canada in 1814. He became a notary in 1836 and set up a practice at Saint-Roch-de-l’Achigan, also becoming mayor.