Teddy Chan Tak-sum (Chinese: 陳德森, born 26 April 1958)^[3] is a Hong Kong filmmaker.

Filmography as director, art director and other positions:^[4]

• Man on the Brink 邊緣人 (1981), assistant director
• Twinkle Twinkle Little Star 星際鈍胎 (1983), assistant director
• The Red Panther 害時出世 (1983), assistant director
• The Family Strikes Back 烏龍大家庭 (1986), actor
• The Legend of Wisely 衛斯理傳奇 (1987), assistant director
• Gunmen 天羅地網 (1988), assistant director
• Pretty Ghost 我老婆不是人 (1991), director
• Fight Back to School 逃學威龍 (1991), actor
• The Magic Touch (film) 神算 (1992), actor
• Lover's Tear 誓不忘情 (1992), actor
• Gameboy Kids 機Boy小子之真假威龍 (1992), actor
• Cageman 籠民 (1992), actor
• Arrest the Restless 藍江傳之反飛組風雲 (1992), actor
• Two of a Kind 情人知己 (1993), director
• Tom, Dick And Hairy 風塵三俠 (1993), actor
• Murder 黃蜂尾後針 (1993), actor
• Emotional Girl - Doubt of Distress 那個少女不多情之脫的疑惑 (1993), actor
• C'est la vie, mon chéri 新不了情 (1993), actor
• Twenty Something 晚九朝五 (1994), director
• The True Hero 暴雨驕陽 (1994), brief appearance
• In the Heat of Summer 點指兵兵之青年干探 (1994), director, producer, production manager
• Hello ! Who Is It ? 喂，搵邊位？ (1994), actor
• Chuang Zha Ma Mi a.k.a. The Meaning of Life 搶閘媽咪 (1995), actor
• Full Throttle 烈火戰車 (1995), producer
• Viva Erotica 色情男女 (1996), brief appearance
• Lost and Found 天涯海角 (1996), brief appearance
• The Log 三個受傷的警察 (1996), writer
• Hong Kong Showgirls 鬼劇院之驚青艷女郎 (1996), actor
• Black Mask 黑俠 (1996), writer
• Ah Kam 阿金 (1996), actor
• Downtown Torpedoes 神偷諜影 (1997), director
• A True Mob Story 龍在江湖 (1998), actor
• Purple Storm 紫雨風暴 (1999), director, original story
• The Accidental Spy 特務迷城 (2001), director
• 1:99 Shorts 1:99 電影行動 (segment: "Always Look on the Bright Side") (2003), director, writer
• Project 1:99 (2003), director
• Infernal Affairs II (2003), actor
• Hidden Track 尋找周杰倫 (2003), producer
• Wait 'Til You're Older 童夢奇緣 (2005), director, producer
• Chaos 三不管 (2008), producer
• Bodyguards and Assassins 十月圍城 (2009), director
• Kung Fu Jungle 一个人的武林 (2014), director
• Double World 征途 (2020), director

• Teddy Chan at IMDb