Nassaria thesaura

{{Short description|Species of gastropod}}

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

{{Speciesbox

| image = Seashell Nassaria thesaura.jpg

| image_caption =

| genus = Nassaria

| species = thesaura

| authority = Fraussen & Poppe, 2007{{WRMS source|140572|Fraussen & Poppe (2007). Visaya 2 (2) : 43–56|17 April 2010}}

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Nassaria thesaura is a species of sea snail, a marine gastropod mollusc in the family Nassariidae.{{WRMS species|457362|Nassaria thesaura Fraussen & Poppe, 2007||17 April 2010}}