Takeshi Koike (小池健, Koike Takeshi) (born January 26, 1968) is a Japanese animator, illustrator and film director.

Something of a protégé of Yoshiaki Kawajiri,^[1] he was also influenced by Yoshinori Kanada,^[2] Frank Miller,^[3][4] Mike Mignola,^[3] and Katsuhito Ishii.^[1] He went straight from a high school education to beginning his career at Madhouse as an in-betweener on works directed by Kawajiri after being interviewed by him.^[5] His first professional work as director is the title sequence of the 2000 film Party 7; while his first feature film is Redline, which premiered in 2009 and was released in 2010. He served as character designer and animation director for 2012's Lupin the Third: The Woman Called Fujiko Mine,^[6] and directs film continuations of it starting with Lupin the IIIrd: Daisuke Jigen's Gravestone in 2014.^[7] Work outside of animation includes the artwork for the 2004 Dreams Come True single "Yasashii Kiss o Shite".^[8]

• The Foxes of Chironup Island (1987) In-Between Animation
• Wicked City (1987) - In-Between Animation
• Legend of Galactic Heroes: My Conquest is the Sea of Stars (1988) - Animation Check
• Bride of Deimos (1988) Animation Check
• Demon City Shinjuku (1988) - Animation Check
• Legend of the Galactic Heroes 1st season (1988) - Key Animation (Ep 19)
• Goku: Midnight Eye (1989) - Animation Check, Key Animation
• Goku II: Midnight Eye (1989) - Key Animation
• Yawara! A Fashionable Judo Girl (1989) Key Animation (Ep 1, 18)
• Cyber City Oedo 808 (1990) - 　Mechanical Animation Director,　Key Animation (Ep 1, 2, 3)
• Teki wa Kaizoku: Neko no Kyoen (1990) Key Animation (Ep 1, 2)
• Nineteen 19 (1990) Key Animation
• A Wind Named Amnesia (1990) - Key Animation
• Urusei Yatsura: Always My Darling (1991) - Key Animation
• Doomed Megalopolis (1991) - Assistant Animation Director (Ep 1, 2), Key Animation (Ep 1, 2, 3)
• Giant Robo: The Day the Earth Stood Still (1992) - Key Animation (Ep 1, 6)
• Ninja Scroll (1993) - Key Animation
• The Cockpit (1994) (segment Slipstream) - Key Animation
• True Peakock King (1994) - Character Design, Key Animation
• Clamp in Wonderland (1994) - Key Animation
• Darkside Blues (1994) - Key Animation
• Mighty Space Miners (1994) - Opening Animation, Ending Animation
• DNA² (1996) - Mechanic Design, Opening Animation
• Bio Hunter (1995) - Key Animation
• Memories (1995) (segment Stink Bomb) - Key Animation
• X (1996) - Key Animation
• Birdy the Mighty (1996) - Key Animation (Ep 1–4)
• Cardcaptor Sakura (1998) - Key Animation (Ep1, 57)
• Jubei-chan - Secret of the Lovely Eyepatch (1999) - Animation Director (Ep 10, 11)
• Cardcaptor Sakura: The Movie (1999) - Key Animation
• Carried by the Wind: Tsukikage Ran (2000) - Key Animation (Op, Ep 1, 5)
• Hidamari no Ki (2000) - Key Animation
• Fighting Spirit (2000) - Key Animation (Op 1, Ep 20)
• Cardcaptor Sakura Movie 2: The Sealed Card (2000) - Key Animation
• Blood: The Last Vampire (2000) - Key Animation
• Vampire Hunter D: Bloodlust (2000) - Setting Design, Key Animation
• WXIII: Patlabor the Movie 3 (2002) - Key Animation
• Texhnolyze (2003) - Key Animation (Ep1)
• Dead Leaves (2004) - Key Animation
• Samurai Champloo (2004) Key Animation (Opening Animation, Ep 5)
• The Taste of Tea (2004) - Animation Director
• Funky Forest (2005) - Animation Director
• Iron Man (2010) - Mechanical Design, Key Animation (Ep 1, 7, 11)
• Trigun: Badlands Rumble (2010) - Key Animation
• Lupin the Third: The Woman Called Fujiko Mine (2012) - Character Design, Animation Director, Episode Animation Director (Ep 1, 13), Key Animation (Opening, Ep 13)
• Yasuke (2021) - Character Design

• Takeshi Koike at IMDb
• Takeshi Koike at Anime News Network's encyclopedia
• Filmography:Takeshi Koike Sakuga@Wiki(Japanese)
• Takeshi Koike on Twitter
• Web Anime Style Animator Interview: Takeshi Koike (Japanese)