Dr. Karan Singh Yadav (born 1 February 1945) is an Indian politician and current member of the 16th Lok Sabha. He represents the Alwar constituency of Rajasthan and is a member of the Indian National Congress (INC) political party. He also has been member of legislative assembly of Rajasthan from Behror constituency twice. He has served as the medical superintendent of SMS hospital Jaipur.