Euryglossa cupreochalybea is a species of bee in the family Colletidae and the subfamily Euryglossinae. It is endemic to Australia. It was described in 1853 by English entomologist Frederick Smith.
Body length is 8 mm. Head and thorax are glossy black, the abdomen steel blue.
The species occurs in south-west Western Australia. Published localities include Yallingup, Gnowangerup, Merredin and Cranbrook.
The adults are flying mellivores.