Adisorn Promrak (Thai: อดิศร พรหมรักษ์, born October 21, 1993), simply known as Geng (Thai: เก่ง) is a Thai professional football player who plays as a Centre back he has also been used as a right-back for Thai Leagues 1 club Muangthong United and the Thailand national team.
Adisorn won the AFF U-19 Youth Championship with Thailand U19, and played in 2012 AFC U-19 Championship. 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.