Kornel Andrzej Morawiecki (3 May 1941 – 30 September 2019) was a Polish politician and theoretical physicist. He was born in Warsaw. Morawiecki was the founder and leader of Fighting Solidarity (Polish: "Solidarność Walcząca"). He was also a member of the 8th legislature of the Sejm, of which was also the Senior Marshal from 12 November 2015 until his death.