Hasarius firmus

{{Short description|A jumping spider species from Cameroon}}{{Speciesbox

| image =

| taxon = Hasarius firmus

| authority = Wiśniewski & Wesołowska, 2013

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Hasarius firmus is a jumping spider species in the genus Hasarius that lives in Cameroon.{{cite journal|last1=Wiśniewski|first= K.|last2=Wesolowska|first2=W.|year=2013|title=Hasarius firmus sp. nov., a new spider species from Cameroon (Araneae: Salticidae)|journal=Genus|volume=24|number=3–4|pages=503–507}} It was first described in 2013.{{cite web|author=World Spider Catalog|year=2017|title=Hasarius firmus Wiśniewski & Wesolowska, 2013|website=World Spider Catalog|publisher=Natural History Museum|place=Bern|url=http://www.wsc.nmbe.ch/species/53275|version=18.0|access-date=30 May 2017}}