Eman /eman/ [2 sylls.] as a girls' name (also used as boys' name Eman) is of Arabic origin, and the name Eman means belief, faith. Eman is an alternate spelling of Iman (Arabic).Aman is a conventional surname.man is a rare given name for women but a very popular last name for all people (#70473 out of 150436, Top 47%).