| massoneria | vrijmetselarij |
| Massongex | Massongex |
| massonico | vrijmetselaars- |
| Massonnens | Massonnens |
| Massospondylus carinatus | Massospondylus |
| Mastaba | Mastaba |
| mastectomia | mastectomie |
| mastello | tobbe |
| Master | Master |
| Master boot record | Master boot record |
| Master in Business Administration | Master of Business Administration |
| Master Series | ATP Masters Series |
| Master universitario | Master |
| Mastering | Mastering |
| Masters of hardcore | Masters of Hardcore |
| Masters of the Universe | He-Man |
| Masters Series Cup | Tennis Masters Cup |
| masticare | smakken |
| masticazione | kauwen |
| mastice | stopverf |
| Mastichochoria | Mastiekdorpen |
| mastino | mastiff |
| Mastino dei Pirenei | Mastín del Pirineo |
| mastino inglese | mastiff |
| Mastino napoletano | Mastino napoletano |
| Mastino spagnolo | Mastín español |
| mastino tibetano | Tibetaanse mastiff |
| mastite | mastitis |
| Mastodonsaurus | Mastodonsaurus |
| mastodonte | mastodont |
| Mastrils | Mastrils |
| masturbare | aftrekken |
| masturbarsi | rukken |
| masturbazione | masturbatie |
| Masuccio Salernitano | Masuccio Salernitano |
| Masuria | Mazurië |
| Masvingo | Masvingo |
| Mata Hari | Mata Hari |
| Matabeleland North | Matabeleland North |
| matador | matador |
| Matanuska-Susitna Borough | Matanuska-Susitna Borough |
| Matanzas | Matanzas |
| Matarraña | Matarraña |
| Mataró | Mataró |
| matassa | streng |
| Matasunta | Mathesuntha |
| match | wedstrijd |
| match point | beslissend punt |
| Mateja Kežman | Mateja Kežman |
| matematica | wiskunde |
| Matematica discreta | Discrete wiskunde |
| Matematici A | Lijst van wiskundigen |
| Matematici A-C | Lijst van wiskundigen |
| Matematici celebri | Lijst van wiskundigen |
| matematico | wiskundige |
| Matera | Matera |
| materassino | luchtbed |
