Simcoe—Grey is a federal electoral district in Ontario, Canada, that has been represented in the House of Commons of Canada since 1997.

It consists of the municipalities of Blue Mountains, Collingwood, Clearview, Wasaga Beach, Springwater, Essa, New Tecumseth and Adjala-Tosorontio.

It consisted initially of: In 2003, it was given its current boundaries as described above.

This riding lost territory to Barrie—Springwater—Oro-Medonte during the 2012 electoral redistribution.

According to the 2021 Canadian census[3] Ethnic groups: 86.7% White, 3.6% Indigenous, 2.3% South Asian, 2.1% Black, 1.2% Latin American Languages: 85.3% English, 1.7% French, 1.5% Italian, 1.0% Spanish Religions: 57.7% Christian (25.7% Catholic, 6.9% United Church, 6.2% Anglican, 3.3% Presbyterian, 1.2% Baptist, 1.2% Pentecostal, 1.0% Christian Orthodox, 12.2% Other), 1.1% Muslim, 38.4% None Median income: $43,200 (2020) Average income: $55,950 (2020) Riding associations are the local branches of the national political parties: This riding has elected the following members of Parliament: