| Massilia | Massalia |
| Massimiliano Papis | Max Papis |
| Massimiliano Spinola | Maximilian Spinola |
| Massimo Ambrosini | Massimo Ambrosini |
| Massimo Biasion | Miki Biasion |
| Massimo Busacca | Massimo Busacca |
| Massimo Girotti | Massimo Girotti |
| Massimo Oddo | Massimo Oddo |
| Massinissa | Masinissa |
| Massive Attack | Massive Attack |
| Massive compact halo object | Massive compact halo object |
| Massivement | In massive doses |
| Massongex | Massongex |
| Massonnens | Massonnens |
| Massospondylus | Massospondylus |
| Massoud Barzani | Massoud Barzani |
| massue | truncheon |
| Masséter | Masseter muscle |
| mastectomie | mastectomy |
| Master data | Historical data |
| Master of Business Administration | Master of Business Administration |
| Master of Magic | Master of Magic |
| Master of Public Administration | Master of Public Administration |
| Master of Reality | Master of Reality |
| Master System | Sega Master System |
| Mastering | Audio mastering |
| Masters at Work | Masters At Work |
| Masters britannique | Quinn Direct British Masters |
| Masters de Cincinnati | Cincinnati Masters |
| Masters de golf | The Masters Tournament |
| Masters de Madrid | Madrid Masters |
| Masters de Miami | Miami Masters |
| Masters de Monte-Carlo | Monte Carlo Masters |
| Masters de Paris-Bercy | Paris Masters |
| Masters de Rome | Rome Masters |
| Masters de tennis féminin | WTA Tour Championships |
| Masters de tennis masculin | Tennis Masters Cup |
| Masters du Canada | Canada Masters |
| Masters of Hardcore | Masters of Hardcore |
| Masters Series | ATP Masters Series |
| Masterton | Masterton |
| mastic | putty |
| Mastic Beach | Mastic Beach |
| Masticage | Cement |
| mastication | chewing |
| mastiff | mastiff |
| Mastino della Scala | Mastino I della Scala |
| mastiquer | fill |
| mastiquer bruyamment | munch |
| mastite | mastitis |
| Mastocytose | Mastocytosis |
| mastodonte | giant |
| Mastretta | Mastretta |
| Mastrils | Mastrils |
| masturbation | masturbation |
| mastère | Master's degree |
| Masuccio Salernitano | Masuccio Salernitano |
| Masuji Ibuse | Masuji Ibuse |
| Masumi Asano | Masumi Asano |
| Masutatsu Oyama | Masutatsu Ōyama |
| Masvingo | Masvingo |
| mat | dull |
