- Source: Perth (provincial electoral district)
- Perth (provincial electoral district)
- Perth—Wellington (provincial electoral district)
- Perth (disambiguation)
- List of Ontario provincial electoral districts
- Perth South (provincial electoral district)
- Perth North (provincial electoral district)
- List of Canadian electoral districts
- Waterloo South
- Perth South, Ontario
- List of Ontario federal electoral districts
Perth was a provincial riding in Ontario, Canada, which was created for the 1934 election. It was abolished prior to the 1999 election. It was merged into the riding of Perth-Middlesex.