Louis Olivier (1758 – February 4, 1816) was a political figure in Lower Canada.
He was born Louis-Marie-Olivier Olivier at Berthier in 1758, the son of a French soldier from Paris.
Olivier was a member of the local militia, later becoming major, and served during the War of 1812.
In 1800, he was named a justice of the peace for Trois-Rivières district and a commissioner for the trial of small claims in 1808.
His grandson, Louis Auguste Olivier, later served in the Canadian senate.