Onaping Falls was a town in the Canadian province of Ontario, which existed from 1973 to 2000. It was created as part of the Regional Municipality of Sudbury, and took its name from the waterfalls on the Onaping River.

The Regional Municipality of Sudbury was a regional municipality that existed in Ontario, Canada, from 1973 to 2000, and was primarily centred on the city of Sudbury. It served as an upper-tier level of municipal government, aggregating municipal services on a region-wide basis like the counties and regional municipalities of Southern Ontario, and was the only upper-tier municipal government ever created in Northern Ontario. The regional municipality was dissolved with the creation of the amalgamated city of Greater Sudbury on January 1, 2001.