Untold Scandal (Korean: 스캔들 - 조선 남녀 상열지사; lit. "Scandal: The Love Story of Men and Women in Joseon") is a 2003 South Korean historical romantic drama film directed by E J-yong, and starring Bae Yong-joon, Jeon Do-yeon, and Lee Mi-sook. Loosely based on the 1782 French novel Les Liaisons dangereuses, this adaptation takes place in late 18th century Korea, during the Joseon dynasty.

In South Korea, the film was given an R-18 rating by the Korean Film Ethics Commission. The film was a major commercial success, and became the fourth-highest-grossing domestic film of 2003 with 3,522,747 tickets sold nationwide.