Cerithium ianthinum

{{Short description|Species of gastropod}}

{{Use dmy dates|date=March 2021}}

{{Speciesbox

| image =Naturalis_Biodiversity_Center_-_RMNH.MOL.173662_-_Cerithium_ianthinum_Gould,_1849_-_Cerithiidae_-_Mollusc_shell.jpeg

| image_caption =Cerithium ianthinum, 1849

| taxon = Cerithium ianthinum

| authority = Gould, 1849

| synonyms_ref =

| synonyms =

}}

Cerithium ianthinum is a species of sea snail, a marine gastropod mollusk in the family Cerithiidae.{{WRMS species|216709|Cerithium ianthinum Gould, 1849||17 May 2010}}