This is a list of electoral districts or ridings in Canada for the 1872 Canadian federal election. New seats were added in 1873 when Prince Edward Island became a province.
Electoral districts are constituencies that elect members of Parliament in Canada's House of Commons every election.
The Family Coalition Party of Ontario was a socially conservative party in Ontario, Canada. The party ran fifty-one candidates in the 2003 Ontario provincial election, none of whom were elected.
* returned two members
| Preceded by Electoral districts 1871–1872 | Historical federal electoral districts of Canada | Succeeded by Electoral districts 1873–1882 |