Nope. The US is ok with those- but not Canada- for returning travelers.

https://travel.gc.ca/travel-covid/t...ellers-entering-canada#pre-entry-testing
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Accepted types of molecular tests
PCR - Polymerase chain reaction
Nucleic acid test (NAT) or Nucleic acid amplification test (NAATs)
Reverse transcription loop-mediated isothermal amplification (RT-LAMP)
These tests use methods such as a nasopharyngeal (NP) swab, nose swab, or saliva sample.

Rapid antigen tests aren't accepted.
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