Prismatomeris fragrans is a species of tree in the Rubiaceae family. It is found in Southeast Asia. The subspecies Prismatomeris fragrans subsp. andamanica is found only on the Andaman Islands.
There is are two accepted subspecies, the autonym Prismatomeris fragrans subsp. fragrans and Prismatomeris fragrans subsp. andamanica.
It is native to Southeast Asia. Countries and regions in which it grows are: Vietnam; Laos; Thailand; and the Andaman Islands, India. The autonym subspecies is limited to the mainland Southeast Asia, while the andamanica subspecies is endemic to the Andaman Islands.