Chai Nat is a town in central Thailand.
Chai Nat (; from Sanskrit Jayanāda जयनाद, "resounding of victory") can also refer to:
Chai Nat Province, a province in Central Thailand Mueang Chai Nat District, the main district of Chai Nat Province Rangsit Prayurasakdi, also known as Prince of Chai Nat Chai Nat (city), an ancient city in present-day Phitsanulok Province
See also Jainad mandal, mandal in Telangana, India André Julien Chainat, French World War I flying ace