40%RatingSave Gender Masculine Usage Roman Mythology Pronounced Pron. nehp-TOO-noos(Latin) [key·IPA] Meaning & HistoryExpand Links Latin form of Neptune. Related NamesFamily Tree·Details Other Languages & CulturesNettuno(Italian) Neptuno, Netuno(Portuguese) Neptuno(Spanish) Neifion(Welsh) Categories cloud, gods, mythology, ocean, planets, sea, sky, Star Ocean characters, uncertain etymology, weather, wet