Pierre-Vincent Valin (June 1, 1827 – October 2, 1897) was a businessman and political figure in Quebec, Canada.
He represented Montmorency in the House of Commons of Canada as a Conservative member from 1878 to 1887.
He was born in Château-Richer, Lower Canada in 1827, the son of Toussaint Valin, and studied at Quebec.
His election to the House of Commons in 1878 was declared invalid two years later but he was reelected in the by-election that followed.
Later in life, Valin owned ships that transported goods over the Atlantic and Pacific Oceans.