Wuttichai Masuk (Thai: จ่าอากาศโท วุฒิชัย มาสุข; born 16 March 1990 at Buriram Province), is a Thai boxer who competes in the light welterweight division.

He won the gold medal at the 2009 Asian Amateur Boxing Championships after defeating Hurshid Tojibaev of Uzbekistan.

[2] He also won gold medal of the Boxing at the 2014 Asian Games.

[3][4] Masuk is also one of the most successful boxers in the Southeast Asian Games with four gold medals.

This biographical article related to Thai boxing is a stub.