Edwen is not widely used as a baby name for boys. It is not in the top 1000 names. Out of the group of boy names directly related to Edwen, Edwin was the most popular in 2012.
Baby names that sound like Edwen include Edwenn, Edwenne, Eadin, Eathan, Eathen, Eathon, Edain, Edin (English and Albanian), Edman, Edmon (English and Russian), Edmun, Ednan, Edon (Albanian), Edwan, Edwin (English and German), Edwine, Edwinn (English), Edwinne, Edwyn (English and Welsh), and Edwynn.
† approx English pronunciation for Edwen: EH as in "ebb (EH.B)" ; D as in "day (D.EY)" ; W as in "we (W.IY)" ; N as in "knee (N.IY)"