Cerithiopsis io

{{Short description|Species of gastropod}}

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| taxon = Cerithiopsis io

| authority = Dall & Bartsch, 1911

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Cerithiopsis io is a species of sea snail, a gastropod in the family Cerithiopsidae, which is known from the Caribbean Sea and the Gulf of Mexico. It was described by Dall and Paul Bartsch in 1911.[http://www.marinespecies.org/aphia.php?p=taxdetails&id=419878 Cerithiopsis io] at World Register of Marine Species.