| Subspecies | Type Locality |
| Lutra canadensis extera Goldman | Nagai Island, Shumagin Islands |
| Lutra canadensis kodiacensis Goldman | Uyak Bay, Kodiak Island |
| Lutra canadensis optiva Goldman | Zaikof Bay, Montague Island |
| Lutra canadensis pacifica Rhoads | |
| Lutra canadensis pericyzomae Elliot | |
| Lutra canadensis yukonensis Goldman | Unalakleet, Norton Sound |
| Lutra mira Goldman | Kasaan Bay, Prince of Wales Island |