Jung Ki-suck (Korean: 정기석; born 9 March 1984), better known by his stage name Simon Dominic (Korean: 사이먼 도미닉), is a South Korean rapper. He debuted in 2009 as a member of the hip-hop duo Supreme Team, which disbanded in 2013. As a solo artist, he has released two studio albums: Simon Dominic Presents: SNL League Begins (2011) and Darkroom (2018), and two extended plays: Won & Only (2015) and No Open Flames (2019).

In addition to rapping, Simon Dominic was the co-CEO of hip hop record label AOMG from 2014 to 2018. He was also a cast member on South Korean variety shows, including Show Me the Money 5 (2016) and I Live Alone (2018).