Lanistes alexandri

{{Short description|Species of gastropod}}

{{Speciesbox

| image =

| status = EN | status_system = IUCN2.3

| status_ref = {{cite iucn |author=Brown, D.S. |date=1996 |title=Lanistes alexandri |volume=1996 |page=e.T11279A3266340 |doi=10.2305/IUCN.UK.1996.RLTS.T11279A3266340.en |access-date=15 November 2021}}

| taxon = Lanistes alexandri

| authority = Bourguignat, 1850 [http://www.unep-wcmc.org/isdb/Taxonomy/tax-species-result.cfm?displaylanguage=ENG&source=animals&speciesNo=11279]

| synonyms =

}}

Lanistes alexandri is a species of large freshwater snail, an aquatic gastropod mollusc with a gill and an operculum in the family Ampullariidae, the apple snails.

This species is endemic to Tanzania.