Address Unknown (Hangul: 수취인 불명; RR: Suchwiin bulmyeong) is a 2001 South Korean film directed by Kim Ki-duk. It was the opening movie of the 2001 Venice Film Festival.
Based on real life stories from the director's life, and those known to him. It is set in the Korean countryside around a U.S. army base, and particularly involves the villages that are affected by its presence. This includes an unstable, near psychotic American soldier who survives on a diet of LSD and rage, Eun-Ok, a girl with one defective eye, Jihum a lonesome boy and Chang-Guk, who lives in an old U.S. army bus with his mother. She has taught Chang-Guk English in an attempt to prepare him for their new life in America, reunited with his father who she mails regularly, although the letters are always returned "address unknown."