What does Neptune mean?
Affiliated boy name: Poseidon.
(male) Nepton, Netune, ..
(female) Neptunee, Neptunel, ..
How popular is Neptune?
Neptune is an uncommonly occurring given name for men but a very prominent surname for both adults and children (#17128 out of 150436, Top 11%). (2000 U.S. Demographics)
Displayed below is the baby name popularity of Neptune for boys. Neptune has not been listed in the Top 2000 thus far. (2014 U.S. SSA Records)