Meaning and Name Origin
For more on this name, see also the related boy name Poseidon.
Neptune is an uncommonly occurring given name for men but a very prominent surname for both adults and children (#22774 out of 88799, Top 26%). (2000 U.S. Census)
Displayed below is the baby name popularity of Neptune for boys. Neptune has not been listed in the Top 1000 thus far. (2014 Birth Statistics)