Franciszek Jerzy Stefaniuk (born 4 June 1944 in Drelów) is a Polish farmer and politician from agrarian Polish People's Party (Polskie Stronnictwo Ludowe), who served as a Sejm member from the Contract Sejm (1989) until 2015, representing Chełm (7th district). He was re-elected for his eight term in October, 2011, winning 10,527 votes. Four years later he failed to secure a ninth term. He was one of the member of commission which issued a project of current constitution. From 2001 to 2005 he was chairman of the Sejm Constitutional Commission.