Kao Supassara Thanachart is an actress and model from Bangkok. She attended Thewphaingarm School St. Francis Xavier Convent School before studying in the international programme at Kasetsart University's Faculty of Economics.

After making her acting debut in Club Friday, Kao became best known for her role as Sprite in the series "Hormones." In the beginning of her career, she was signed with TV Thunder until her contract expired in 2016. The following year, she signed with Channel 3 before becoming a freelance artist again in 2022.

Kao has been the brand ambassador for Garnier Thailand since 2010. Outside her acting career, Kao has an ice cream business called Bellio as well as a dog seat covers business.