Opisthostoma bihamulatum

{{Short description|Species of gastropod}}

{{Use dmy dates|date=May 2017}}

{{Speciesbox

| image =

| status = VU | status_system = IUCN3.1

| taxon = Opisthostoma bihamulatum

| authority = Vermeulen, 1994

| synonyms =

|status_ref={{cite iucn |author=Schilthuizen, M. |author2=Vermeulen, J. |date=2004 |title=Opisthostoma bihamulatum |volume=2004 |page=e.T44627A10930028 |doi=10.2305/IUCN.UK.2004.RLTS.T44627A10930028.en |access-date=17 November 2021}}

}}

Opisthostoma bihamulatum is a species of small land snail with an operculum, a terrestrial gastropod mollusc in the family Diplommatinidae. It is endemic to Malaysia. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.