Neptune - Name Meaning and Origin

The boy's name Neptune \n(e)-ptu-ne, nep-tune\. Mythology name: Roman god of the sea.

For more information, see also the related name Poseidon.

A similar baby name is Newton.

Neptune is a very rare male first name and a popular surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Neptune. Click here to compare Neptune with related baby names.