Chai Nat is a town located in central Thailand. It serves as the capital of Chai Nat province and is situated within the Mueang Chai Nat district.
The town encompasses the entirety of tambon Nai Mueang, along with portions of Ban Kluai, Tha Chai, and Khao Tha Phra. As of 2006, the population of Chai Nat was recorded at 14,469 residents.