(D) Harry Lee, late Jefferson Parish sheriff (D) Coleman Lindsey, late state senator, lieutenant governor, state district court judge (D) Gillis William Long, late U.S. representative (D) from Alexandria Russell B. Long, late United States senator 1948–1987 (D) Speedy O. Long, late congressman from central Louisiana (D) M–N John Maginnis, Louisiana political journalist, author, and commentator Sidney A. Marchand, state representative, mayor of Donaldsonville, Louisiana Robert M. Marionneaux, former state senator (D) Ray Marshall, 16th United States Secretary of Labor (D) Danny Martiny, state senator from Jefferson Parish (R) John McKeithen, late Louisiana governor, 1964–1972 (D) Philip H. Mecom, former US Attorney for the district of Western Louisiana Tucker L. Melancon, United States District Judge for the Western District of Louisiana since 1994 (D) Gregory A. Miller (Class of 1985), member of the Louisiana House of Representatives from St. Charles Parish (R) Newt V. Mills, U.S. representative from Louisiana's 5th congressional district 1937–1943 (D) Ellen Bryan Moore, Register of State Lands, third woman inducted into the LSU Hall of Distinction (D) Henson Moore, former U.S. representative from Louisiana's 6th district (R) Carlos Morales Troncoso, former vice-president of the Dominican Republic Doug Moreau, District Attorney for East Baton Rouge Parish (1991–2009) and LSU football All-American (1964–1965) (R) Cecil Morgan, leader of the impeachment forces against Governor Huey Pierce Long, Jr., in 1929; later Standard Oil executive and dean of the Tulane University Law School (D) Jay Morris, state representative from Ouachita and Morehouse parishes (R) DeLesseps Morrison, Jr., late state representative from Orleans Parish (D) DeLesseps Story Morrison, late New Orleans mayor and ambassador to the Organization of American States (D) J. Kelly Nix, Baton Rouge real estate businessman; Louisiana superintendent of education 1976–1984; received master's degree from LSU (D) Ann McBride Norton (1944 – 2020), American activist and executive, president of Common Cause. O–Q Mariano Ospina Pérez, 17th President of Colombia (1946–1950). Kenneth Osterberger, member of the Louisiana State Senate for East Baton Rouge Parish 1972–1992 Abel Pacheco, former President of Costa Rica John Victor Parker (class of 1949), judge of the U.S. District Court for the Middle District of Louisiana 1979–2014 (D) Mary Evelyn Parker, former Louisiana state treasurer (D) Barrow Peacock, state senator from Shreveport (R) Leander Perez, "political boss" of Plaquemines and St. Bernard parishes (D) Louanner Peters, former deputy governor of Illinois Bryan A. Poston, late state senator for Vernon Parish (D) Steve Prator, bachelor's degree