Adisorn Promrak (Thai: อดิศร พรหมรักษ์, born 21 October 1993), simply known as Keng (Thai: เก่ง) is a Thai professional footballer who plays as a centre back or a right back for Thai League 1 club Ratchaburi and the Thailand national team.

He represented Thailand U23 in the 2014 Asian Games.

Adisorn is part of Thailand's squad in the 2014 AFF Suzuki Cup.

Adisorn won the 2015 Southeast Asian Games with Thailand U23, and is the team's vice-captain.

In 2016 Adisorn was selected in Thailand U23 squad for 2016 AFC U-23 Championship in Qatar.