Princess Hours is a 2006 South Korean television series, starring Yoon Eun-hye, Ju Ji-hoon, Kim Jeong-hoon and Song Ji-hyo. It is based on Korean manhwa Goong by Park So-hee. It aired on MBC from January 11 to March 30, 2006, on Wednesdays and Thursdays at 21:55 for 24 episodes.

Kim Jeong-hoon, also known by his stage name John Hoon, is a South Korean singer and actor. He initially rose to fame as a member of South Korean duo UN debuting with the single Voice Mail in 2000. After the duo disbanded in 2005, his fame increased as an actor starring in Princess Hours, a drama based on a manhwa.