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Yongyoot Thongkongtoon is a Thai film director, producer, and screenwriter. He made his debut in 2000 with the sports comedy The Iron Ladies. He graduated from Chulalongkorn University, with a Bachelor's degree in Communication Arts (Broadcasting), in Bangkok. His debut feature in 2000 was The Iron Ladies, a fact-based sports comedy about a volleyball team of gay and transgender men. The film won several awards in Thailand and at film festivals, including the Thailand National Film Association Awards and a special mention Teddy Award at the 2001 Berlin Film Festival. Yongyoot also directed the sequel, The Iron Ladies 2, in 2003.

In 2004, he directed Maid a spy spoof in which maids are recruited for a top-secret government intelligence agency. It was his first release under the new studio GTH, formed by the merger of GMM Grammy's GMM Pictures, producer Visute Poolvoralaks' Tai Entertainment and producer-director Jira Maligool's Hub Ho Hin production company.