Happy Air (), legally Happy Air Travellers Co., Ltd., was a small airline based in Thailand, offering scheduled domestic passenger flights out of Suvarnabhumi Airport, Bangkok, as well as charter services. It was founded on 3 April 2009 and ceased operations in February 2015.
Happy Air offered scheduled flights from Bangkok to Chumphon and Ranong as well as charter services.
Happy Air operated four Saab 340 with an age of 17 years.