The Dhammayuttika Nikaya or Thammayut Nikaya (Thai: ธรรมยุติกนิกาย (ทำมะยุดติกะนิกาย), ธรรมยุต (ทำมะยุด); Khmer: ធម្មយុត្តិក និកាយ) is an order of Theravada Buddhist monks in Thailand and Cambodia. Its name is derived from the Pali dhamma ("teachings of the Buddha") + yutti (in accordance with) + ka (group).
Read more about Dhammayuttika Nikaya: Founding in Thailand, Dhammayuttika Nikaya in Cambodia