3-Iron (Korean: 빈집; RR: Bin-jip; lit. "Empty House") is a 2004 South Korean-Japanese romantic drama film written, produced and directed by Kim Ki-duk. An international co-production between South Korea and Japan, the film stars Jae Hee as a young drifter who develops a relationship with an abused housewife (Lee Seung-yeon). The film's title is derived from a type of golf club used prominently throughout the narrative.

3-Iron premiered in competition at the 61st Venice International Film Festival in September 2004, where it was nominated for the Golden Lion and won Kim the Silver Lion for Best Direction. It was released in South Korea on April 29, 2005, and received generally positive reviews and numerous accolades, including the FIPRESCI Grand Prix award at the San Sebastián Film Festival.