Takaaki Sekizaki (関崎 高明, Sekizaki Takaaki, born 1972) is a Japanese animator, animation director and action animation director. He joined Tiger Production in 1992, and after working as a freelancer, he has been at TMS Entertainment since 1996 and has been a member of the Yumeta Company since 2005. He sometimes participates under the name of 門山高月. He is a member of the Japanese Animation Creators Association (JAniCA).