| Monday | lunes |
| Mondego | Mondego |
| Mondo Cane | Mondo Cane |
| Mondo film | Películas Mondo |
| Mondo Generator | Mondo Generator |
| Mondoñedo | Mondoñedo |
| Mondragon | Mondragon |
| Mondragón | Mondragón |
| Mondragón Cooperative Corporation | Mondragón Corporación Cooperativa |
| Mondulkiri Province | Provincia de Mondol Kirí |
| Monegasque | Idioma monegasco |
| Monegasque euro coins | Monedas de euro de Mónaco |
| Monel | Monel |
| Moneses uniflora | Moneses |
| Moneta | Moneda |
| monetary | monetario |
| monetary assessment | evaluación monetaria |
| monetary economics | economía monetaria |
| monetary relations | relaciones monetarias |
| monetary unit | unidad monetaria |
| money | cambio |
| money box | caja |
| Money for Nothing | Money for Nothing |
| Money in the Bank ladder match | Money in the Bank |
| money market | mercado monetario |
| money order | giro postal |
| moneybag | monedero |
| moneyed | adinerado |
| moneylender | prestamista |
| Mongala Province | Mongala |
| Mongar District | Distrito de Mongar |
| Mongo people | Mongo |
| Mongo Santamaría | Mongo Santamaría |
| mongol | mongoloide |
| Mongol Empire | Imperio Mongol |
| Mongol invasion of Rus | Invasión mongola de Rusia |
| Mongol invasions of Japan | Invasiones de los mongoles a Japón |
| Mongol military tactics and organization | Avances militares de Gengis Kan |
| Mongolia | Mongolia |
| Mongolia national football team | Selección de fútbol de Mongolia |
| Mongolian | Idioma mongol |
| Mongolian Death Worm | Aka Allghoi Khorhoi |
| Mongolian language | Idioma mongol |
| Mongolian languages | Idioma mongol |
| Mongolian spot | Melanocitosis dérmica congénita |
| Mongolian tögrög | Tugrik |
| Mongolic languages | Lenguas mongólicas |
| mongolism | mongolismo |
| mongoose | mangosta |
| Mongoose Lemur | Eulemur mongoz |
| mongrel | mestizo |
| Monible | Monible |
| Monica | Mónica |
| Monica Bellucci | Monica Bellucci |
| Monica Geller | Monica Geller |
| Monica Lewinsky | Monica Lewinsky |
| Monica of Hippo | Mónica de Hipona |
| Monica Reyes | Mónica Reyes |
| Monica Seles | Monica Seles |
| Monica Vitti | Monica Vitti |
| Monimiaceae | Monimiaceae |
| Monism | Monismo |
| Monito del Monte | Dromiciops gliroides |
| monitor | inspeccionar |
| monitoring | vigilancia |
| monitoring criterion | criterio de vigilancia |
| monitoring data | datos de vigilancia |
| monitoring equipment | equipo de vigilancia |
| monitoring network | redes de vigilancia |
| monitoring station | estación de vigilancia |
| monitoring technique | técnicas de vigilancia |
| Moniz Bandeira | Moniz Bandeira |
| monk | monje |
| Monk Parakeet | Myiopsitta monachus |
| monkey | mono |
| Monkey Island | Monkey Island |
| Monkey Island series | Monkey Island |
| Monkey trick | Chinoiserie |
| Monkeypox | Viruela del simio |
| Monkeys in space | Monos en el espacio |
| monkeyshine | imbecilidad |
| monkish | monacal |
| Monnaz | Monnaz |
| mono | mono |
| Mono development platform | Proyecto Mono |
| Mono Lake | Lago Mono |
| Monoceros | Monoceros |
| Monochromator | Monocromador |
| monochrome | monocromo |
| monocle | monóculo |
| Monoclonal antibodies | Anticuerpo monoclonal |
| Monocotyledon | Liliopsida |
| Monodontidae | Monodontidae |
| monogamous | monógamo |
| monogamy | monogamia |
| Monogenea | Monogenea |
| Monognathus | Monognathidae |
| monogram | personalizar |
| monograph | monografía |
