- Markus Emsermann
- Markus Ettl
- Markus Sinnl
- Markus Vodesek
- Marla Baskerville
- Marlies de Keizer
- Marlin Thomas
- Marlin U. Thomas
- Marlin Ulmer
- Marlys K. Christianson
- Marnik G. Dekimpe
- Marriott International
- Mars, Incorporated
- Marshall Fisher
- Marshall L. Fisher
- Marshall Van Alstyne
- Marta Tessitore
- Martha Centeno
- Martim Joyce-Moniz
- Martin A. Lariviere
