Eupithecia borealis is a moth in the family Geometridae. It is found in North America, including Alberta, Arizona, British Columbia, California, Colorado, Manitoba, Michigan, Montana, New Brunswick, New Mexico, New York, Newfoundland and Labrador, Nova Scotia, Ontario, Quebec, Utah and Wyoming. The wingspan is about 14 mm. The forewings are light brown with blackish cross lines. Adults have been recorded on wing from May to August.