Haustellum fallax

{{Short description|Species of gastropod}}

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

{{Speciesbox

| image = Haustellum fallax 001.jpg

| image_caption = Shell of Haustellum fallax (holotype)

| genus = Haustellum

| species = fallax

| authority = (E. A. Smith, 1901)

| synonyms_ref =

| synonyms = Murex fallax E. A. Smith, 1901

}}

Haustellum fallax is a species of sea snail, a marine gastropod mollusc in the family Muricidae, the murex snails or rock snails.{{WRMS species|405309|Haustellum fallax (E. A. Smith, 1901)||24 April 2010}}