Kim Chang-ju (; born 1972) is a South Korean film editor and director. He started working in editing department of 2005 film Welcome to Dongmakgol. He edited films with directors Bong Joon-ho (Snowpiercer (2013)), Kim Seong-hun (A Hard Day (2014) and Tunnel (2016)), Park Hee-gon (Fengshui), Park Hoon-jung (V.I.P. (2017), ' (2018)) and Cheon Myeong-kwan (Hot Blooded (2022)) among others. As of May 2022, Kim has edited more than 60 films and 2 TV series ' (2010), Kingdom (2019âÂÂ20). Kim made his directorial debut in 2021 thriller film Hard Hit.
He has won Grand Bell Awards and Blue Dragon Film Awards for Best Editing for films Snowpiercer (2013) and A Hard Day (2014) respectively.