Cyrtulus serotinus

{{Short description|Species of gastropod}}

{{Use dmy dates|date=August 2020}}

{{Speciesbox

| image = Naturalis Biodiversity Center - ZMA.MOLL.355044 - Cyrtulus serotinus Hinds, 1843 - Fasciolariidae - Mollusc shell.jpeg

| image_caption =

| genus = Cyrtulus

| species = serotinus

| authority = Hinds, 1843

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| synonyms =

}}

Cyrtulus serotinus is a species of sea snail, a marine gastropod mollusk in the family Fasciolariidae, the spindle snails, the tulip snails and their allies.{{WRMS species|447000|Cyrtulus serotinus Hinds, 1843}}