Algoma East was a federal electoral district in Ontario, Canada, that was represented in the Canadian House of Commons from 1904 to 1968. It was created in 1903 from parts of Algoma riding.
It initially consisted of the territorial district of Manitoulin and the part of the territorial district of Algoma lying east of a line drawn from south to north along the limit between the townships of Lefroy and Plummer Additional and due north to the northern limit of Algoma.
In 1904, the territorial district of Manitoulin was transferred out of the riding.
In 1914, it was redefined to consist of the eastern part of the territorial district of Algoma, excluding those parts included in Timiskaming, the western part of the territorial district of Sudbury, and the territorial district of Manitoulin
In 1933, it was redefined to consist of the territorial district of Manitoulin, and the parts of the territorial districts of Algoma and Sudbury.
The electoral district was abolished in 1966 when it was redistributed between Algoma, Nickel Belt and Timmins—Chapleau ridings.
Its most high-profile MP was Lester Pearson of the Liberal Party, who was Prime Minister 1963–68.
This riding elected the following members of the Canadian House of Commons:
On Mr. Farquar being called to the Senate, 10 September 1948: