Kim Jong-wook (Korean: 김종욱; born February 1, 1982) is a South Korean singer best known for his song Only You, the theme for the popular reality show We Got Married. He made his official debut in 2007 and gained recognition for his warm voice and heartfelt ballads. Before enlisting in the military, he released the farewell track Goodbye for Now (Army Entrance Day) in December 2009.

Kim earned his bachelor’s degree in Industrial Engineering from Konkuk University and later completed graduate studies in Communication at Kyung Hee University. Over his career, he has been appreciated for his soothing vocals and contributions to Korean ballad and OST music.