M
- MacGregor, John F.
- Mahalanobis, Prasanta Chandra (1893–1972)
- Manwar, Khandakar Hossain (1930–1999)
- Mallet, Bernard
- Malthus, Thomas Robert (1766–1834)
- Mannheimer, Renato
- Mantel, Nathan (1919–2002)
- Mardia, Kantilal
- Marpsat, Maryse
- Marquardt, Donald (1929–1997)
- Marquis, Frederick
- Marschak, Jacob
- Marshall, Herbert
- Martin, Sir Richard
- Massey, Kenneth
- Masuyama, Motosaburo (1912–2005)
- Mauchly, John
- McClintock, Emory
- McCrossan, Paul
- McCullagh, Peter
- McEvedy, Colin
- McKendrick, Anderson Gray (1876–1943)
- McLennan, Bill
- McNemar, Quinn (1900–1986)
- McVean, Gilean
- Meeker, Royal
- Meier, Paul, (1924–2011)
- Meng, Xiao-Li
- Mihoc, Gheorghe
- Milliken, George A.
- Milliman, Wendell
- Milne, Joshua
- Milnes, Richard Monckton
- Mitchell, Wesley Clair
- Mitofsky, Warren
- Mohn, Jakob
- Moivre, Abraham de
- Molina, Edward C.
- Moore, Henry Ludwell
- Moran, Pat
- Mores, Edward Rowe
- Morgan, William
- Morris, Carl
- Morrison, Winifred J.
- Moser, Claus (1922–)
- Mosteller, Frederick (1916–2006)
- Mouat, Frederic J.
- Moyal, José Enrique
Read more about this topic: List Of Statisticians