Gilles Grondin (3 February 1943 – 18 July 2005) was a Canadian politician. He was the mayor of Shawinigan-Sud, Quebec from 1977 to 1985. He was also a member of Parliament (MP) in the House of Commons of Canada from 1986 to 1988. He represented the electoral area of Saint-Maurice. During this time, he was a part of the Liberal Party.