In the entire world, Amonsak (Amonsak 
) is a very rare boy's forename. The first name Amonsak is habitual in South-eastern Asia, particularly Thailand, where it is a very rare masculine name. Much less frequently, Amonsak is the last name as well as the forename.
Jamu, Boonudom, Kaewphueak, Komonnak, Pethneam, Thepmany, Thongnak, Saengchai, Singsomboon, Chanthong, Chayapiwat, Chotakkee, Chottakkee, Kochchasit, Kraikitlad, Phakdeenuan, Thommasamison, Wisetsarakool, Sawangkhot, Srikrairot, Audomphonniran, Rungruangsri, Chorjaroenchai, Chamkaew, Chansong, Chanaseuk, Madlee, Saisin, Saekho, Srisuk, Chamai, Rodpai, Mongkol, Saetang, Sawusdee, Sinhlue, Juntarakomat, Sonkham, Phonhan, Jitchak, Wasthong, Waewsak, Yenying, Singsoomboon, Sukrakan, Sukkasam, Sugragan, Sriwilai, Pethnem, and Nithiphongkangwan