- Masakazu Ishihara
- Masakazu Kojima
- Masha Shunko
- Mason Samuels
- Masoud Kamalahmadi
- Masoud Talebian
- Massachusetts Institute of Technology
- Massachusetts Institute of Technology Student Chapter
- Massimo Marinacci
- Massimo Tavoni
- Mateo Dulce Rubio
- Mathieu Dahan
- Mats Danielson
- Matt Capizzi
- Matt Daniels
- Matt Menickelly
- Matt Thompson
- Matt Zhang
- Matteo Fischetti
- Matteo Fischetti
