Karthik Jayaram is an Indian actor who works in television and Kannada cinema. He is known for his work in the television soap opera Ashwini Nakshatra, in which he played the role of a "superstar" actor Jay Krishna ("JK"), that was aired on Colors Kannada, between 2013 and 2015.During the time, he appeared in films playing supporting roles mostly. His first role as a lead actor came in 2014 with the film Just Love. Alongside acting, he also works as a structural engineer.
From 2013 to 2015, Karthik appeared in a television soap, Ashwini Nakshatra, portraying the role of an actor Jay Krishna "JK", that was aired on Colors Kannada. In 2015, he was signed to play the role of Ravana in the mythological Hindi television series Siya Ke Ram that would be aired on Star Plus.