Unstoppable Marriage is a 2007 South Korean romantic comedy film. It stars veteran actors Kim Soo-mi and Im Chae-moo alongside popstar and television actress Eugene and Ha Seok-jin. The film is Eugene's big screen debut, and is also the directorial debut of Kim Seong-wook, who previously worked as an assistant director on other films such as Fun Movie (2002), My Teacher, Mr. Kim (2003) and Lovely Rivals (2004).

The film was released in South Korea on May 10, 2007, and had a total of 1,304,431 admissions.