Surname Khongsuk (Khongsuk 
) , worldwide, is a rare last name. The cognomen Khongsuk is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Mali, Suphanni, Suphawida, Chayanit, Chutikan, Pornteera, Puttapol, Jindarat, Jiraporn, Jirayapa, Narasing, Yaowaret, Sasithorn, Sirinapha, Khwanthicha, Peeraphon, Uthumporn, Khwanrudee, Pattarapol, Phatcharin, Mongkhon, Wilawan, Nisanat, Thanida, Phri, Satit, Sawut, Ratri, Lamai, Jerry, Somsak, Somyot, Somjai, Phetcharat, Phituk, Sodkanueng, Aphisit, Parawee, Phairin, Phawana, Jintana, Jirawan, Jirancha, Tararin, Sarawut, and Thanthiphat