Ansan is not regularly used as a baby name for boys. It is not listed in the top 1000 names. In 2018, among the group of boy names directly linked to Ansan, Anson was the most popular.
Baby names that sound like Ansan include Ansen, Ansson, Ansun, Ammen, Anjum (Arabic and Indian), Annen, Annsen, Annson, Anscombe, Ansin, Anson (English), Éamon (Irish), Amien, Amikam (Hebrew), Anakin (English), Anakyn, Anisim (Russian), Anjana (Indian), Annakin, and Annawon (Algonquian-Wakashan).
† approx English pronunciation for Ansan: AE as in "at (AE.T)" ; N as in "knee (N.IY)" ; S as in "see (S.IY)" ; AH as in "mud (M.AH.D)"