Jeong Jae-yeong (born Jeong Ji-hyeon) is a South Korean actor. He is known for starring in the films Guns & Talks (2001), Silmido (2003), Someone Special (2004), Welcome to Dongmakgol (2005), Public Enemy Returns (2008), Castaway on the Moon (2009), Moss (2010), and Confession of Murder (2012), as well as the television series Partners for Justice (2018–19).