Cognomen Kamollak (Kamollak 
) , in the world, is an extremely rare last name. The cognomen Kamollak is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Kamollak is the forename as well as the last name.
Salae, Phophuang, Jansaengwattana, Settachinpong, Songtrakul, Srikerdpol, Charoenrat, Chamnanrob, Thangthong, Thirapatpibul, Ngamsirikiat, Visutthicho, Wongkhamdee, Phatanapran, Kanjanakaroonwong, Pittayapornmanee, Wutthisiriwatthanakul, Watthanacharoenrat, Wichapull, Jitpirom, Ruengjai, Pornhanchana, Aroka, Ketmul, Patcha, Tongma, Holman, Hlabsiri, Mahanam, Koolasing, Watthanasiripakdee, Rengjai, Hanphon, Hanphol, Sutatang, Seangman, Srikhemngam, Chaiworn, Chotjitwichian, Boonkhan, Daungta, and Watthanasiriphakdee