Boucardicus antiquus

{{Short description|Species of gastropod}}

{{Speciesbox

| name = Boucardicus antiquus

| image =

| status = VU

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Emberton, K.C. |year=2000 |title=Boucardicus antiquus |page=e.T40059A10311986 |doi=10.2305/IUCN.UK.2000.RLTS.T40059A10311986.en |access-date=14 November 2021}}

| genus = Boucardicus

| species = antiquus

| authority = Emberton & Pearce, 1999

| synonyms =

}}

Boucardicus antiquus is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.

This species is endemic to Madagascar. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.