| mariposa | butterfly stroke |
| mariposa moncha | black-arched moth |
| mariposa monja | black-arched moth |
| mariposa nocturna | moth |
| mariquita | fire bug |
| Marisa Letícia | Marisa Letícia |
| Marisa Tomei | Marisa Tomei |
| marisabidilla | bluestocking |
| mariscal | marshal |
| mariscal de campo | field marshal |
| Mariscal de campo alemán | Generalfeldmarschall |
| Mariscal de Francia | Marshal of France |
| Mariscal de la Unión Soviética | Marshal of the Soviet Union |
| Mariscal General de Francia | Marshal General of France |
| Mariscal José Félix Estigarribia | Mariscal Estigarribia |
| Mariscales del Imperio Francés | Marshal of France |
| marisco | seafood |
| mariscos | seafood |
| Mariska Veres | Mariska Veres |
| marisma | mud flat |
| marisma salina | salt marsh |
| Marit | Marit |
| Marit Elizabeth Larsen | Marit Larsen |
| marital | nuptial |
| Mariupol | Mariupol |
| Marius Jacob | Marius Jacob |
| Marius Petipa | Marius Petipa |
| Marius Tresor | Marius Trésor |
| Mariusz Pudzianowski | Mariusz Pudzianowski |
| Mariza | Mariza |
| Marjal de Serech | Fens of Serech |
| Marjane Satrapi | Marjane Satrapi |
| Mark Allen | Scott Tinley |
| Mark Blundell | Mark Blundell |
| Mark Calaway | The Undertaker |
| Mark David Chapman | Mark David Chapman |
| Mark González | Mark González |
| Mark Hamill | Mark Hamill |
| Mark Jansen | Mark Jansen |
| Mark Knopfler | Mark Knopfler |
| Mark Rothko | Mark Rothko |
| Mark Shield | Mark Shield |
| Mark Shuttleworth | Mark Shuttleworth |
| Mark Snow | Mark Snow |
| Mark Spitz | Mark Spitz |
| Mark Taimanov | Mark Taimanov |
| Mark Twain | Mark Twain |
| Mark van Bommel | Mark van Bommel |
| Mark Viduka | Mark Viduka |
| Mark Wahlberg | Mark Wahlberg |
| Mark Warner | Mark Warner |
| Mark Wayne Clark | Mark Wayne Clark |
| Mark Webber | Mark Webber |
| Markazi | Markazi Province |
| Markel Irizar | Markel Irizar |
| marketing | marketing |
| Marketing en Internet | Internet marketing |
| Marketing multinivel | Multi-level marketing |
| Marko Jaric | Marko Jarić |
| Marko Marulic | Marko Marulić |
| Marko Paasikoski | Marko Paasikoski |
| Markos Kyprianou | Markos Kyprianou |
| Marktl am Inn | Marktl am Inn |
| Markus Grosskopf | Markus Grosskopf |
| Markus Merk | Markus Merk |
| Markus Winkelhock | Markus Winkelhock |
| Markus Wolf | Markus Wolf |
| Marky Ramone | Marky Ramone |
| Marlee Matlin | Marlee Matlin |
| Marlene Dietrich | Marlene Dietrich |
| Marlene Favela | Marlene Favela |
| marlo | corncob |
| Marlon Ayoví | Marlon Ayoví |
| Marlon Brando | Marlon Brando |
| Marlín | Marlin |
| Marmalade Boy | Marmalade Boy |
| Marmaris | Marmaris |
| marmita | saucepan |
| marmol | marble |
| Marmorera | Marmorera |
| Marmosa | Marmosa |
| Marmosops | Marmosops |
| marmota | marmot |
| Marmota bobak | Bobak Marmot |
| marmota de las praderas | prairie dog |
| Marmota flaviventris | Yellow-bellied Marmot |
| Marmota marmota | Alpine Marmot |
| Marmota vancouverensis | Vancouver Island Marmot |
| Marnand | Marnand |
| Marne | Marne |
| Maroggia | Maroggia |
| Maror | Maror |
| Marotiri | Marotiri |
| Marowijne | Marowijne District |
| Marozia | Marozia |
| Marpa | Marpa Lotsawa |
| Marpesa | Marpessa |
| marquesa | marchioness |
| Marquesado de Montferrato | March of Montferrat |
| marquesina | canopy |
| marquetería | marquetry |
| Marquina-Jeméin | Markina-Xemein |
| marqués | marquess |
| Marqués de Sade | Marquis de Sade |
| Marrakech | Marrakech |
| marrana | slut |
| marranito | woodlouse |
| marrano | barrow |
| marrar | weakness |
| marrasquino | maraschino |
| Marrella | Marrella |
| Marrina | Marina |
| marro | solecism |
| marron | brown |
| marroquí | Moroccan |
| Marroquía | Moroccan woman |
| marroquín | Moroccan |
| Marroquína | Moroccan woman |
| Marrubium vulgare | Marrubium vulgare |
| Marruecos | Morocco |
