Thai Lion Mentari Co. Ltd, tranzactionand ca Thai Lion Air (thailandeza: ไทย ไล อ้อน แอร์), este o companie aeriana low-cost thailandezф, care opereaza ca operator asociat al companiei Lion Air din Indonezia. Transportatorul activeaza de la Aeroportul International Don Mueang din Bangkok.
Thai Lion Air opereaza zboruri din/catre 37 aeroporturi din 10 tari: Thailanda, China, India, Taiwan, Indonezia, Nepal, Macao, Malaysia, Singapore, Japonia