| Marine isotopic stage | Marine Isotope Stage |
| Marine mammals | Zeezoogdieren |
| Marine Protected Area | Zeereservaat |
| Marine snow | Zeesneeuw |
| Marine VHF radio | Marifoon |
| Marineland | Marineland |
| Marinella | Marinella |
| mariner | zeeman |
| Mariner program | Marinerprogramma |
| Maring-Noviand | Maring-Noviand |
| Marinid dynasty | Meriniden |
| Marino Faliero | Marino Faliero |
| Marinus van der Lubbe | Marinus van der Lubbe |
| Marinus van Reymerswaele | Marinus van Reymerswale |
| Mario | Mario |
| Mario Andretti | Mario Andretti |
| Mario Ančić | Mario Ančić |
| Mario Botta | Mario Botta |
| Mario Briceño Iragorry Municipality | Mario Briceño Iragorry |
| Mario Cvitanović | Mario Cvitanovic |
| Mario Haberfeld | Mario Haberfeld |
| Mario Kempes | Mario Kempes |
| Mario Lanza | Mario Lanza |
| Mario Lemieux | Mario Lemieux |
| Mario Lopez | Mario López |
| Mario Pinball Land | Super Mario Ball |
| Mario Plutarco Marín Torres | Mario Marín Torres |
| Mario Puzo | Mario Puzo |
| Mario Regueiro | Mario Regueiro |
| Mario Scelba | Mario Scelba |
| Mario Strikers Charged | Mario Strikers Charged Football |
| Mario Tennis | Mario Tennis |
| Mario Vargas Llosa | Mario Vargas Llosa |
| Mariology | Mariologie |
| Marion | Marion |
| Marion Bartoli | Marion Bartoli |
| Marion Cotillard | Marion Cotillard |
| Marion County | Marion County |
| Marion Dönhoff | Marion Dönhoff |
| Marion Jones | Marion Jones |
| Marion Raven | Marion Raven |
| Marion Zimmer Bradley | Marion Zimmer Bradley |
| marionette | marionet |
| Mariotto Albertinelli | Mariotto Albertinelli |
| Marisa Tomei | Marisa Tomei |
| Marisfeld | Marisfeld |
| Mariska Hargitay | Mariska Hargitay |
| Mariska Veres | Mariska Veres |
| Marist Brothers | Broeders Maristen |
| Marit Larsen | Marit Larsen |
| marital | echtelijk |
| Marital home | Domicile conjugal |
| marital status | huwelijksstaat |
| maritime | maritiem |
| Maritime Alps | Zee-Alpen |
| Maritime archaeology | Onderwaterarcheologie |
| Maritime flag | Geus |
| Maritime history | Maritieme geschiedenis |
| Maritime Interdiction Operations | Operation Southern Watch |
| Maritime Mobile Service Identity | MMSI |
