René Louis Piché (May 5, 1931 – January 22, 2011) was a politician in Ontario, Canada. He was a Progressive Conservative member of the Legislative Assembly of Ontario from 1981 to 1985 who represented the northern Ontario riding of Cochrane North. He served as a minister without portfolio in the cabinet of Frank Miller. He was mayor of Kapuskasing from 1971 to 1980 and again from 1991 to 1993.