Tectarius rusticus

{{Short description|Species of gastropod}}

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

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| image =Naturalis Biodiversity Center - ZMA.MOLL.99786 - Tectarius rusticus (Philippi, 1846) - Littorinidae - Mollusc shell.jpeg

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| taxon = Tectarius rusticus

| authority = (Philippi, 1846)

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Tectarius rusticus is a species of sea snail, a marine gastropod mollusc in the family Littorinidae, the winkles or periwinkles.{{WRMS species|446940|Tectarius rusticus (Philippi, 1846)|||Reid, David G. (2010). Tectarius rusticus (Philippi, 1846). In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.eu/aphia.php?p=taxdetails&id=446940 on 6 June 2010}}