Save Gender Masculine Usage Ancient Greek [1] Scripts Νικάσιος(Ancient Greek) Meaning & HistoryExpand Links Greek form of Nicasius. Related NamesFamily Tree·Details RootnikeVariantsNicasius, Nikias, NikonFeminine FormNikeOther Languages & CulturesNicaise(French) Nikon(Russian) Nicasio(Spanish) User SubmissionNikasios Sources & References Lexicon of Greek Personal Names, available from https://search.lgpn.ox.ac.uk/browse.html?facet-nymRef=Νικάσιος.