Jupiter \j(u)-pi-ter\ as a boy's name is of Latin origin, and the meaning of Jupiter is "the supreme god". Roman mythology: the sky god equivalent to the Greek god Zeus. Lightning bolts were thought to be messages from Jupiter to mortals on earth.
Jupiter has 1 variant form: Juppiter.
For more information, see also the related name Jovan.
View a list of the 2 names that reference Jupiter.
Jupiter is not a popular first name for men but a very popular surname or last name for both men and women (#37721 out of 88799). (1990 U.S. Census)