Calamaria brongersmai, also known commonly as Brongersma's reed snake, is a species of snake in the subfamily Calamariinae of the family, Colubridae. The species is endemic to Sulawesi in Indonesia.
The specific name, bongersmai, is in honor of Dutch herpetologist Leo Brongersma.
The preferred natural habitat of Calamaria brongersmai is forest, at elevations from sea level to .
Calamaria brongersmai is terrestrial.
Calamaria brongersmai is oviparous.