- Maggie Li
- Maher Lahmar
- Maher Nouiehed
- Mahesh Nagarajan
- Mahyar Movahed Nejad
- Majid Karimi
- Major Harry Conley
- Major Jeffrey L. Huisingh
- Major Jesse Pietz
- Major Kenneth W. Bauer, Jr.
- Major Lee J. Lehmkuhl
- Major Randy Zimmerman, Ph.D.
- Major Stephan M. Swartz
- Malak Al-Nory
- Malik Magdon-Ismail
- Mallik Angalakudati
- Mallory O'Brien
- Man Yiu Tsang
- Man Yu
- Manajit Sengupta
