Asen \a-sen\ as a boy's name is of Bulgarian origin. Meaning unknown. The name of a 12th-century Bulgarian king, Ivan Asen I, and several of his successors.

Baby names that sound like Asen are Aeson, Ahsan, Aswin, Aswyn and Jasen. Other similar baby names are Aren, Aden, Alen, Arsen, Ase and Aspen.