Colias canadensis, the Canada sulphur, is a butterfly in the family Pieridae found in North America.

It has only been found from Alaska and Northwest Territories, to northern British Columbia and Alberta.

[1] Flight period is early May to early August.

[1] Its habitats include open taiga forests, wet tundra, mountain valleys, and alpine tundra near tree lines.

This Pieridae-related article is a stub.