Xanthesma parva, or Xanthesma (Xanthesma) parva, is a species of bee in the family Colletidae and the subfamily Euryglossinae. It is endemic to Australia. It was described in 1969 by Australian entomologist Elizabeth Exley.
The species occurs in the Wheatbelt region of south-west Western Australia. The type locality is Kukerin.
The adults are flying mellivores.