Partula crassilabris

{{Short description|Extinct species of gastropod}}

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

{{Speciesbox

| image = Naturalis Biodiversity Center - RMNH.MOL.265004 - Partula (Leptopartula) crassilabris Pease, 1866 - Partulidae - Mollusc shell.jpeg

| status = EX

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Coote, T. |date=2009 |title=Partula crassilabris |volume=2009 |page=e.T16306A5598781 |doi=10.2305/IUCN.UK.2009-2.RLTS.T16306A5598781.en |access-date=14 November 2021}}

| genus = Partula

| species = crassilabris

| authority = Pease, 1866

| synonyms =

}}

Partula crassilabris was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to Ra'iātea, French Polynesia. It is now extinct.