Mainosa

{{Short description|Genus of spiders}}

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{{Speciesbox

| taxon=Mainosa longipes

| authority=(L. Koch, 1878)

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Mainosa is a genus of spiders in the family Lycosidae. It was first described in 2006 by Framenau. {{As of|2017}}, it contains only one species, Mainosa longipes, found in Australia.{{cite web|title=Lycosidae| website=World Spider Catalog| publisher=Natural History Museum Bern| accessdate=2017-03-27| url=http://www.wsc.nmbe.ch/genus/1826}}