Arnan \a-rnan, ar-nan\ as a boy's name is pronounced AR-nen. It is of Hebrew origin, and the meaning of Arnan is "quick; joyful". Biblical: a descendant of King David. See also Arnon.
A baby name that sounds like Arnan is Jernayn. Other similar baby names are Arran, Aran, Adnan, Annan, Arian, Arlan, Arman, Arnat and Arnau.