Semnolius

{{Short description| Genus of spiders}}

{{Automatic taxobox

| taxon = Semnolius

| authority = Simon, 1902

| type_species = S. chrysotrichus

| type_species_authority = Simon, 1902

| subdivision_ranks = Species

| subdivision = 6, see text

| synonyms =

• Ocnotelus Simon, 1902{{cite journal| last1=Zhang| first1=J. X.| last2=Maddison| first2=W. P.| year=2015| title=Genera of euophryine jumping spiders (Araneae: Salticidae), with a combined molecular-morphological phylogeny| journal=Zootaxa| volume=3938| issue=1| page=24| doi=10.11646/zootaxa.3938.1.1| pmid=25947489}}

| synonyms_ref =

}}

Semnolius is a genus of South American jumping spiders that was first described by Eugène Louis Simon in 1902.{{cite journal| last=Simon| first=E.| year=1902| title=Description d'arachnides nouveaux de la famille des Salticidae (Attidae) (suite)| journal=Annales de la Société Entomologique de Belgique| pages=363–406| volume=46| author-link=Eugène Simon}}