| macho | macho |
| macho alfa | alpha male |
| macho cabrio | male goat |
| machote | he-man |
| Machu Picchu | Machu Picchu |
| macia | mace |
| Maciej Żurawski | Maciej Żurawski |
| macilento | haggard |
| Macintosh | Macintosh |
| Macis | Mace |
| maciso | massive |
| Macisto | Maciste |
| maciza | buxom |
| macizo | pure |
| Macizo Central | Massif Central |
| Macizo de Altai | Altay Mountains |
| Macizo de Mandara | Mandara Mountains |
| Macizo del Montseny | Montseny |
| Macizo Etíope | Ethiopian Highlands |
| Macizo Vinson | Vinson Massif |
| Macla | Crystal twinning |
| macoca | boob |
| Macrauchenia patachonica | Macrauchenia |
| Macriano el Joven | Macrianus Minor |
| Macriano el Viejo | Macrianus Major |
| Macrino | Macrinus |
| Macrobio | Ambrosius Theodosius Macrobius |
| macrobiótico | macrobiotic |
| Macrocheira kaempferi | Japanese spider crab |
| macrocosmo | macrocosm |
| macroeconomía | macroeconomics |
| Macroespícula | Macro spicule |
| Macrofamilia nostrática | Nostratic languages |
| Macrofilia | Macrophilia |
| macrofito | macrophyte |
| macroinstrucción | macro |
| Macrolepidoptera | Macrolepidoptera |
| Macromedia Authorware | Macromedia Authorware |
| Macromedia ColdFusion | Adobe ColdFusion |
| Macromedia Contribute | Adobe Contribute |
| Macromedia Fireworks | Adobe Fireworks |
| Macromedia Flashpaper | Macromedia FlashPaper |
| Macromedia FreeHand | Macromedia FreeHand |
| Macromedia HomeSite | Macromedia HomeSite |
| Macromedia Robohelp | Adobe RoboHelp |
| Macromutación | Macromutation |
| Macroplaza | Macroplaza |
| Macropodus opercularis | Paradise fish |
| Macropsia | Macropsia |
| Macropus | Macropus |
| Macropus parma | Parma Wallaby |
| Macropus rufus | Red Kangaroo |
| macroscópico | macroscopic |
| Macross plus | Macross Plus |
| Macross Zero | Macross Zero |
| macrotienda | superstore |
| Macrotis leucura | Lesser Bilby |
| Macroturbulencia | Macroturbulence |
| Macrovipera | Macrovipera |
| Macrólido | Macrolide |
| macular | blacken |
| Mad Max | Mad Max |
| Madagascar | Madagascar |
| Madalena | Madalena |
| Madam Mim | Madam Mim |
| Madama Butterfly | Madama Butterfly |
| Madame Bovary | Madame Bovary |
| Madame de Pompadour | Madame de Pompadour |
| Madame de Staël | Anne Louise Germaine de Staël |
| Madame du Barry | Madame du Barry |
| Madame Grés | Grès |
| Madame Máscara | Madame Masque |
| Madame Rosa | Madame Rosa |
| Madame Récamier | Jeanne Françoise Julie Adélaïde Récamier |
| Madarame Ikkaku | Ikkaku Madarame |
| Madaura | Madaurus |
| Madchester | Madchester |
| Maddie Fitzpatrick | Madeline Fitzpatrick |
| Made In Heaven | Made in Heaven |
| Madeira | Madeira |
| madeja | hank |
| Madeleine Albright | Madeleine Albright |
| Madeleine Herren | Madeleine Herren |
| Madeleine Stowe | Madeleine Stowe |
| Madeline y Marion Fairbanks | Madeline and Marion Fairbanks |
| madera | wood |
| madera aglomerada | chipboard |
| madera blanda | softwood |
