Perth—Wellington is a federal electoral district in southwestern Ontario, Canada, that has been represented in the House of Commons of Canada since 2004.

The riding consists of: (Other languages, 2016: 7.8% German, 1.9% Dutch) The riding was created in 2003 from parts of Perth—Middlesex (76%), Waterloo—Wellington (17%) and Dufferin—Peel—Wellington—Grey (7%) ridings.

It did not undergo any boundary changes in the 2012 electoral redistribution.

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