| Province: | Ontario |
| Fed-Status: | defunct |
| Fed-Created: | 1914 |
| Fed-Abolished: | 1924 |
| Fed-Election-First: | 1917 |
| Fed-Election-Last: | 1921 |
Port Arthur and Kenora was a federal electoral district represented in the House of Commons of Canada from 1917 to 1925. It was located in the province of Ontario. This riding was created in 1914 from parts of Thunder Bay and Rainy River riding.
It consisted of the territorial districts of Thunder Bay, Kenora and Rainy River, excluding parts included in Fort William and Rainy River, and of the district of Patricia.
The electoral district was abolished in 1924 when it was redistributed between Kenora—Rainy River and Port Arthur—Thunder Bay ridings.
This riding has elected the following members of Parliament:
|- |Government|Francis Henry Keefer |align="right"| 5,990 |Opposition|James Asher Dunbar|align="right"|2,476 |}|- |Conservative|Francis Henry Keefer|align="right"| 3,627 |Liberal|Alexander Jarvis McComber|align="right"|3,419 |}