Callohesma townsvillensis is a species of bee in the family Colletidae and the subfamily Euryglossinae. It is endemic to Australia. It was described in 1974 by Australian entomologist Elizabeth Exley.
The species occurs in North Queensland. The type locality is Castle Hill, Townsville.
The adults are flying mellivores. Flowering plants visited by the bees include Eucalyptus species.