| Meltemi | Melting (MAMAMOO專輯) | Melty Blood |
| MELTY BLOOD | Melty Blood ReACT | Melty tale storage |
| MeltyMoment | Melursus ursinus | Melville Fuller |
| Melville, Louisiana | Melvira Oklamona | Mem |
| Memblaze | Membrane protein | Membrane transport protein |
| Memcached | Memcpy | Meme |
| Memecylaceae | Memecylon | Memecylon cyanocarpum |
| Memecylon floribundum | Memecylon hainanense | Memecylon lanceolatum |
| Memecylon ligustrifolium | Memecylon luchuenense | Memecylon nigrescens |
| Memecylon octocostatum | Memecylon pauciflorum | Memecylon polyanthum |
| Memecylon scutellatum | Memehk | Memel |
| Memento mori | Memento mori (消歧義) | Memnoch the Devil |
| Memnonia | MemoQ | MEMORIA |
| Memorial address | Memories | MEMORIES |
| Memories Andy Lau | Memories Last | Memories Off |
| Memories Off 2nd | Memories Off After Rain | Memories Off Duet |
| Memoriesoff | Memory | MEMORY (專輯) |
| Memory (C++标准库) | Memory (EP) | Memory (Mamamoo迷你專輯) |
| Memory (Mamamoo迷你专辑) | Memory Alpha | Memory bank |
| Memory CD4+ cells | Memory 青春之光 | Memory over-provisioning |
| Memory Stick | Memory Stick Duo | Memory Stick Micro |
| Memory Stick PRO | MemoryStick | Memphis Grizzlies |
| Memphis May Fire | Memphis, Alabama | Memphis, Tennessee |
| Memphis, TN | Memrise | MEMS |
| Men and Masculinities | Men of Honor | Men si tarsil |
| Men's Health | Men.com | MENA |
| Mena Suvari | Men☆dol 〜帥男偶像〜 | Men☆dol ～帥男偶像～ |
| Men’s love | Mendelevium | Mendelian Inheritance in Man |
| Mendes | Mendes Pimentel | Mendonça |
| Mendonciaceae | Mendoza canestrini | Mendoza elongata |
| Mendoza nobilis | Mendoza pulchra | Mendozasaurus |
| Mene | Mene maculata | Menelaus' theorem |
| Menemerus bivittatus | Menemerus brachygnathus | MENESR |
| Menetes berdmorei | Meng (設計師) | Mengke Bateer |
| Meninges | Meningitis | Menippe mercenaria |
| Menispermaceae | Menispermum | Menispermum dauricum |
| Menke硝化反应 | Menlo | Menno, South Dakota |
| Menorrhagia | Mensa | Mensamaria intercedens |
| Menshutkin反应 | Mental disorder | Mental Ray |
| Menteri Besar Selangor | Mentha | Mentha aquatica |
| Mentha arvensis | Mentha asiatica | Mentha australis |
| Mentha × piperita | Mentha ×gracilis | Mentha ×piperita |
| Mentha ×rotundifolia | Mentha canadensis | Mentha cervina |
| Mentha citrata | Mentha crispa | Mentha dahurica |
| Mentha laxiflora | Mentha longifolia | Mentha pulegium |
| Mentha requienii | Mentha rotundifolia | Mentha sachalinensis |
| Mentha spicata | Mentha suaveolens | Mentha vagans |
| Menticirrhus americanus | Menticirrhus elongatus | Menticirrhus littoralis |
| Menticirrhus nasus | Menticirrhus ophicephalus | Menticirrhus paitensis |
| Menticirrhus panamensis | Menticirrhus saxatilis | Menticirrhus undulatus |
| Mentodus bythios | Mentodus crassus | Mentodus eubranchus |
| Mentodus facilis | Mentodus longirostris | Mentodus mesalirus |
| Mentodus perforatus | Mentone, Alabama | Mentone, France |
| Mentor | Mentor Graphics | Mentzer吡喃酮合成 |
| MenuetOS | Menura | Menusifu |
| Menyanthaceae | Menyanthes trifoliata | Menzies |
| Menziesichthys bacescui | MEO | MeOH |
| Meow Lam | Meow Meow Meow | MEPE |
| MEPG-2 | Mephedrone | Mephisto fraserbrunneri |
| Mephitidae | Mephitis | Mephitis mephitis |
| MEPIS | Mer | Mer Rouge, Louisiana |
| MER-B | Mera | Meraj Muhammad Khan |
| Mercari | Mercês | Mercedes |
| Mercedes de Acosta | Mercedes-AMG | Mercedes-Benz |
| Mercedes-Benz A-Class | Mercedes-Benz Bank | Mercedes-Benz E-Class |
| Mercedes-Benz in Formula One | Mercedes-Benz S-Class | Mercedes-Benz SLS AMG |
| Mercedes-Benz Stadium | Mercedes-Benz W140 | Mercedes-Benz W212 |
| Mercedes-Benz香港經典一哩賽 | Mercedes-Benz香港打吡大賽 | Mercedes-Benz香港打吡預賽 |
| Mercenaria mercenaria | Mercer, North Dakota | Merchants Exchange Building |
| Mercia | Merck | Merck & Co. |
| Merck Index | Merck KGaA | Mercosur |
| Mercure | Mercurial | Mercurialis |
| Mercurialis leiocarpa | Mercuric iodide | Mercury |
| Mercury (planet) | Mercury Messenger | Mercury Records |
| Mercury Steam | Mercyful fate | Meredith Grey |
| Meretrix | Meretrix (bivalve) | Meretrix lamarckii |
| Meretrix lusoria | Meretrix lyrata | Meretrix meretrix |
| Meretrix petechialis | Mergellus albellus | Merginae |
| Mergus australis | Mergus merganser | Mergus serrator |
| Mergus squamatus | Merica asperella | Meridian |
| Meridiana | Meridiana Fly | Meridiano |
| Meridiosaurus | Meridiungulata | Meringium acanthoides |
| Meringium denticulatum | Meringium holochilum | Meringue |
| Merino, Colorado | Meriones | Meriones chengi |
| Meriones libycus | Meriones meridianus | Meriones tamariscinus |
| Meriones unguiculatus | Meripilaceae | Merisa Cindy Sahputri |
| Meristella | Meristina | Meristoides grandipennis |
| Merkendorf | Merlangius merlangus | Merle Haggard |
| Merle Kennedy | Merle Robbins | Merlin Entertainments |
| Merlin's Apprentice | Merlot | Merlucciidae |
| Merluccius merluccius | Merluccius paradoxus | Merluccius patagonicus |
| Merluccius productus | MERMAID (GLAY) | Mermentau, Louisiana |
| Merocanites | Merocheta | Merocryptus lambriformis |
| Merodoras nheco | Meropidae | MEROPS |
| Merops apiaster | Merops bullockoides | Merops leschenaulti |
| Merops orientalis | Merops ornatus | Merops philippinus |
| Merops viridis | Merosaurus | Merostomata |
| Merr. | Merremia | Merremia boisiana |
| Merremia cordata | Merremia dissecta | Merremia emarginata |
| Merremia gemella | Merremia hainanensis | Merremia hederacea |
