Kadai may refer to:
Karahi, also known as kadai, a cooking utensil used mainly in Indian cooking; also the dishes cooked in it, including Chicken karahi Kadai paneer Kra–Dai languages, also known as Kadai or Tai–Kadai, a language family of Southeast Asia Gedai, Bushehr, also known as Kadā’ī and Kedā’ī, a village in Bushehr Province, Iran