Dennis To Yu-hang (born 1 January 1981) is a Hong Kong martial artist and actor.

He started his career as a wushu practitioner and won several awards at various competitions, including a silver medal at the 2002 Asian Games[1][2] and a gold medal at the 2005 East Asian Games.

[5] He attended Helen Liang Memorial Secondary School in Sha Tin, Hong Kong.

[1][2] In 2005, To, together with Chan Siu-kit and Chow Ting-yu, won a gold medal in duilian at the East Asian Games.

[6] To made his debut in a minor role in the 2008 film Ip Man, directed by Wilson Yip and starring Donnie Yen, and he also appeared in the sequel Ip Man 2 (2010).