Chaudhry Aitzaz Ahsan (Urdu: چودھری اعتزاز احسن‎; born 27 September 1945) is a Pakistani politician and lawyer who served two times as the Leader of the House in the Senate of Pakistan from 1994 to 1997 and again from 2012 to 2015. He also served as the Leader of the Opposition in the Senate. He was elected a member of the Senate of Pakistan from Punjab in 1994.