Family name Krittapak (กฤตภัค 
, Krittapak 
) , in all the world, is an extremely rare cognomen. The surname Krittapak is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Krittapak is the forename as well as the last name.
Somsar, Horcharoen, Muaksawai, Chatjiradechkul, Choosuwan, Chuchuaisuwan, Rongsaward, Jiarapasuk, Tanapokawat, Udompanich, Satitwattana, Saengsawat, Seangsawat, Chaisittida, Kasemsiriyanon, Rachatamatee, Jarukasemthawee, Jearapasuk, Tanapokawatana, Winiyakool, Winiyakoon, Narissarawut, Ngamvaseenont, Kukanaluxprayoon, Khotwongsa, Srimuang, Anrath, Kitjew, Donmon, Taaunruen, Teaunruen, Yothin, Saentha, Silanuwat, Suwanno, Chaikla, Wongsarattanawut, Kaewjan, Khunasri, Junmeewong, Tevarit, Nartpotjananon, Homchan, Inpoonjai, Madaengthanasompat, Sinluenam, Senalieng, Stritzinger, Kounbubpha, and Pitchayapakdee