| Leslie Lamport |
| Lewis Mumford |
| Li Ka Shing |
| Liem Nguyen |
| Linus Torvalds |
| Linus Torvalds |
| Linus Torvalds |
| Lori Valigra |
| Lou Gerstner |
| Louis Gerstner |
| Lydia Botham |
| Lydia Vorsteveld |
| Lyndon B. Johnson |
| M. G. Siriam |
| Margaret Segall |
| Marilyn Pittman |
| Mark Atkinson |
| Mark Gibbs |
| Mark Goddard |
| Mark Kennedy |
| Mark Leeper |
| Mark Minasi |
| Mark Potok |
| Marshall McLuhan |
| Marshall McLuhan |
| Marshall McLuhan |
| Marshall McLuhan |
| Marshall McLuhan |
| Marshall McLuhan |
| Marshall McLuhan |
| Martin Golding |
| Martin Taylor |
| Marvin Minsky |
| Matthew Austern |
| Maurice Wilkes |
| Max Frisch |
| Max Lerner |
| Meg Whitman |
| Michael Dell |
| Michael Dell |
| Michael Dell |
| Michael Meissner |
| Michael Quinn |
| Michael Sinz |
| Microsoft, on the development of Windows NT |
| Miguel de Icaza |
| Mihaly Csikszentmihalyi |
| Mike Spick |
| Mike Trout |
| Mikko Hypponen |
