Guy St-Julien (born February 19, 1940) is a Canadian politician. He is a former director of human resources and a senior clerk. St-Julien was born in Val-d'Or, Quebec.

St-Julien was a member of the Liberal Party of Canada in the House of Commons of Canada, representing the riding of Abitibi—Baie-James—Nunavik from 2000 to 2004, and Abitibi as a Liberal from 1997 to 2000 and as a Progressive Conservative from 1984 to 1993.

He lost his seat (now called Nunavik—Eeyou) in the 2004 election to Bloc Québécois candidate Yvon Lévesque.

Parliament of Canada Preceded byRené Gingras, Liberal Member of Parliament for Abitibi 1984–1993 Succeeded byBernard Deshaies, Bloc Québécois Preceded byBernard Deshaies, Bloc Québécois Member of Parliament for Abitibi 1997–2000 Succeeded byThe electoral district changed name to Abitibi—Baie-James—Nunavik in 1998. Preceded byThe electoral district changed name from Abitibi to Abitibi—Baie-James—Nunavik in 1998. Member of Parliament for Abitibi—Baie-James—Nunavik 2000–2004 Succeeded byThe electoral district was abolished in 2003.