Timmins—Chapleau was a federal electoral district represented in the House of Commons of Canada from 1979 to 1997. It was located in the northeast part of the province of Ontario. This riding was created in 1976 from parts of Cochrane, Nipissing, Timiskaming and Timmins ridings. It initially consisted of the northern part of the Territorial District of Sudbury, the eastern part of the Territorial District of Algoma, the Township of Teefy, the City of Timmins and the Town of Iroquois Falls in the Territorial District of Cochrane, and the western part of the Territorial District of Timiskaming.