- Ma, Yi Hua1
- MacDonald, John C.1
- Macleod, Angela1
- Makarov, Sergey N.1
- Makhlouf, Makhlouf M.1
- Mallick, Rajib B.1
- Martin, William J.1
- Mathisen, Paul P.3
- McLeod, Brendan1
- Melikian, Haley1
- Mendelson, Yitzhak2
- Michalson, William R.1
- Mishra, Brajendra2
- Moriarty, Brian J.2
- Murcko, Timothy1
- Murray, Chris1