Marcel Schlechter (born 9 July 1928 in Luxembourg City) is a retired Luxembourgian politician and government minister who started his career as a bus driver.
A member of the Luxembourg Socialist Workers' Party, Schlechter served in the Santer-Poos Ministry I as Minister for Transport, Minister for Public Works, and Minister for Energy.
He was a Member of the European Parliament from 1989 until 1999.