Brachyhesma monteithae, or Brachyhesma (Brachyhesma) monteithae, is a species of bee in the family Colletidae and the subfamily Euryglossinae. It is endemic to Australia. It was described in 1975 by Australian entomologist Elizabeth Exley.
The specific epithet monteithae honours Sybil Monteith who collected the type specimens.
Colouring is mainly yellow to pale yellow. Body length of males is 3.3 mm, wing length 2.0 mm; body length of females is 3.5 mm, wing length 2.3 mm.
The species occurs in the Gulf Country of north-west Queensland. The type locality is the Gregory River at Gregory Downs.
The adults are flying mellivores.