- First Name: Jung Suk
- Family Name: Jo
- Native name: 조정석
- Also Known as: Jo Jeong Seok; Cho Jung Seok
- Nationality: South Korean
- Gender: Male
- Born: December 26, 1980
- Age: 39
Jo Jung Suk is a South Korean actor. He began his career in theater, starring in "Spring Awakening", "Hedwig and the Angry Inch", and the stage adaptation of "The Harmonium in My Memory", among many other musicals and plays.
After nearly a decade on the stage, Jo made his film debut as a comedic supporting actor in the 2012 box office hit "Architecture 101", which became his breakout role. His versatility was further showcased by the television series "The King 2 Hearts", "You're the Best, Lee Soon Shin" and "Oh My Ghostess", as well as films "The Face Reader" and "My Love, My Bride".
Jo Jung Suk and Gummy (Korean singer) started dating in 2013, and have since gotten married in October 2018.