Louis de Gonzague Belley, (February 3, 1863 – July 9, 1930) was a Canadian politician.
Born in St-Alexis de la Grande Baie, Canada East, he was a lawyer before being acclaimed at the age of 29 to the House of Commons of Canada for the Quebec riding of Chicoutimi—Saguenay in an 1892 by-election.
A Conservative, he was defeated in the 1896 election.
In September 1921, he was appointed Postmaster General in the cabinet of Arthur Meighen.