Harit Buayoi (; born 19 August 1999), nicknamed Keng (), is a Thai actor and model under Domundi TV. He is also represented by Red Modelling Thailand. He is best known for his roles in The Paradise of Thorns (2024) and Khemjira (2025).
Harit Buayoi was born on 19 August 1999 in Phayao Province, Thailand. He is of Thai Lue descent. He grew up in a rubber farming family in a small village in Phu Sang district. He has a sister who is older than him by 13 years.
He graduated with a bachelor's degree in Thai Language Education from the University of Phayao in 2024. He had the opportunity to teach at his childhood school, Ban Nong Lao Community School.
Harit competed in the Mister Chinese Chiang Mai 2021, coming in second place. He won in the competition Yee Peng Thepbut Chiang Mai 2022, as well as Mister Yeepeng Popular Vote in 2023.
After learning that his family was burdened with debt, he decided to move to Bangkok to pursue a career in the entertainment industry, hoping to find opportunities to support his family. In 2023, he joined Domundi TV as part of the third generation through the reality show DMD Friendship, where he was awarded the Best Partner Award with Napatsakorn Pingmuang (Namping).
Harit made his breakthrough with his acting debut as Jingna in the film The Paradise of Thorns (2024). He starred in his first lead role in Khemjira (2025), alongside Napatsakorn Pingmuang (Namping).