Exhibit 8.1
SUBSIDIARIES OF TELESAT CORPORATION1
| Subsidiary | State or Other Jurisdiction of Incorporation or Organization | |
| Telesat Canadaail | Canada | |
| Telesat LEO Holdings ULC | British Columbia | |
| Telesat LEO ULC | British Columbia | |
| Anik Limited Partnership | Manitoba | |
| Lightspeed LEO CanHold Limited Partnership | Manitoba | |
| Lightspeed LEO Limited Partnership | Manitoba | |
| Telesat Can ULC | British Columbia | |
| Telesat CanHold Corporation | British Columbia | |
| Telesat LEO CanHold Corporation | Canada | |
| Telesat Spectrum General Partnership | Ontario | |
| Telesat International Limited | England and Wales | |
| Telesat (IOM) Holdings Limited | Isle of Man |
| 1 | Excludes certain subsidiaries which, considered in the aggregate as a single subsidiary, do not constitute a significant subsidiary (as defined in Rule 1-02(w) of Regulation S-X) as of December 31, 2025. |