Bongkoj Khongmalai (บงกช คงมาลัย), nickname "Tak" (born April 15, 1985), is a Thai film actress. Films she has appeared in include Tom-Yum-Goong. She portrayed a young Thai woman forced into prostitution in Australia who comes to the aid of the film's hero, Tony Jaa. Alternate spellings of her name include Bongkot (or Bongkote) Kongmalai and Bonkoch Konmalaï. Her first film role was in Tanit Jitnukul's historical epic about the battle of Bang Rajan.
Her major debut as a dramatic actress was in 2004's Ai-Fak, In 2005, she was seen in Hit Man File, alongside Chatchai Plengpanich and Tom-Yum-Goong, which in 2006 was screened in the United States as The Protector. Also in 2006, she starred in the action comedy Chai Lai, about five female crimefighters.