Petchtai Wongkamlao, (Thai: เพ็ชรทาย วงษ์คำเหลา, rtgs: Phetthai Wongkhamlao, IPA: [pʰét.tʰāːj wōŋ.kʰām.lǎw]; born June 24, 1965, Yasothon Province, Thailand), is a Thai comedian, actor and film director. He is best known in Thailand by his stage name, Mum Jokmok (Thai: หม่ำ จ๊กมก, rtgs: Mam Chokmok, [màm tɕók.mók]); and is a popular Thai television personality. He is variously credited as Mom Jok Mok, Mum Jokemok or Mom Jokmok.