| Macchi C.205 Veltro | Macchi M.39 | Macchiatiella |
| Macchiatielle | Macclesfield Town F.C. | Macco |
| MacCoffee | MacCyrillic | MACD |
| MacDonald Taylor, Jr. | MacDonald Taylor, Sr. | MacDougall's |
| MacDougall’s | Mace Windu | Macecraft Software |
| Macedo | Macedonian Radio-Television | Macef |
| Maceió | Macellicephala | Macellicephala abyssicola |
| Macellicephala affinis | Macellicephala kirkegaardi | Macellicephala longipalpa |
| Macellicephala polaris | Macellicephala violacea | Macellicephala zenkevitchi |
| Maceo Baston | MacFamilyTree | MacGuffin |
| MacGuffin (шифр) | Mach | Mach Go Go Go |
| Mach-O | Machaerhamphus | Machaerium scleroxylon |
| Machaeroides | Machaeropalpus | Machaeropterus |
| Machaeropterus deliciosus | Machaerotidae | Machaerotypus sibiricus |
| Machairasaurus | Machairasaurus leptonychus | Machairoceratops |
| Machairoceratops cronusi | Machairodontinae | Machairodus |
| Machairodus aphanistus | Machan no Nikkicho | Macheiramphus |
| Macheiramphus alcinus | Macheirhamphus | Machel Cedenio |
| Machete | Machete Maidens Unleashed! | Machete Music |
| Machetornis | Machetornis rixosa | Machetornis rixosus |
| Machgielis Euwe | Machiavelli | Machico |
| Machilaphis | Machilidae | Machilus neurantha |
| Machimosaurus | Machimus | Machimus cowini |
| Machina II/The Friends & Enemies of Modern Music | Machina/The Machines of God | Machinae Supremacy |
| Machinae supremacy | Machinarium | Machinarium (саундтрек) |
| Machine | Machine (альбом) | Machine Fucking Head Live |
| Machine gun | Machine Gun Kelly | Machine Head |
| Machine Head (альбом Deep Purple) | Machine Head (альбом) | Machine Head (группа) |
| Machine Identification Code | Machine Intelligence Research Institute | Machine Learning |
| Machine learning | Machine Messiah | Machine Robo |
| Machine Shop Recordings | Machine-Doll wa Kizutsukanai | Machine-to-Machine |
| MachineGames | Machinemade God | Machines Are Us |
| Machinima | Machinima.com | Machlaut |
| Machlolophus xanthogenys | Macho Man | Machomyrma silvestrii |
| MacHouston Baker | Machupo mammarenavirus | Machupo virus |
| Maciej Bodnar | Maciej Gudowski | Maciej Paterski |
| Macintosh | Macintosh Business Unit | Macintosh Classic |
| Macintosh Common Lisp | Macintosh File System | Macintosh Finder |
| Macintosh Quadra 610 | Macintosh SE | Mack |
| Mack 10 | Mack Calvin | Mack the Knife |
| Mack Trucks | Mack. | Mack10 |
| Mackell | MacKenna | Mackenzia |
| Mackenzia costalis | Mackenzie Bowell | MacKenzie Intervale Ski Jumping Complex |
| Mackenzie Jo Lintz | Mackenzie Phillips | Mackenzie Smith |
| Mackenzie Ziegler | Mackenziella | Mackenziellidae |
| MacKenzies | Mackie | Mackinac |
| Mackinac County, Michigan | MacKinnon | Mackintoshia |
| Mackintoshia persica | Macklemore | Macklot |
| Macko | Maclagan | Macleania |
| Macleaya cordata | MacLisp | MACLISP |
| Maclisp | MACLisp | MAClisp |
| Macloskie | Maclura | Maclura aurantiaca |
| Maclura pomifera | MacMill. | Macmillan |
| Macmillan & Co. | Macmillan & Company | Macmillan (издательство) |
| Macmillan and Co. | Macmillan and Company | Macmillan Books |
| Macmillan Children's Books | Macmillan Company | Macmillan Computer Publishing |
| Macmillan Publishers | Macmillan Publishing | Macmillan Publishing Co. |
| Macmillan Publishing Company | MacMini | Macnabia |
| MACO | Macolino, Джованни Баттиста | Macoma |
| Macoma balthica | Macomb County, Michigan | Macon County, Alabama |
| Macon County, Georgia | Macon County, Illinois | Macon County, Missouri |
| Macon County, North Carolina | Macon County, Tennessee | Maconha |
| MACOP-B | MacOS | MacOS High Sierra |
| MacOS Mojave | MacOS Server | MacOS Sierra |
| MacOS X | Macoucoua | Macoupin County, Illinois |
| MacPherson | MacPorts | MacPro |
| Macracanthorhynchus hirudinaceus | Macraea myrtifolia | Macrambyx suturalis |
| Macrantha | Macranthus | Macrauchenia |
| Macraulacinae | Macreightia | Macristis |
| Macro | MACRO | Macro Assembler |
| MACRO-11 | Macrobrachium carcinus | Macrobriza |
| Macrobriza maxima | Macrocalyx | Macrocauda |
| Macrocaudus | Macrocell array | Macrocentrinae |
| Macrocentrus | Macrocephalon | Macrocephalon maleo |
| Macrocephalosaurus | Macrocerus sucinopenninus | Macrocheira kaempferi |
| Macrochelys | Macrochelys temminckii | Macrochilo |
| Macrochires | Macrochloa arenaria | Macrochloa tenacissima |
| Macroclemys | Macroclemys temmincki | Macroclemys temminckii |
| Macrocranion | Macrocroton | Macrocybe |
| Macrocystis | Macrodaphis | Macrodasyida |
| Macrodasys caudatus | Macroderma | Macroderma gigas |
| Macrodipteryx | Macrodipteryx longipennis | Macrodipteryx vexillarius |
| Macrodolichopus | Macrodontia | Macrodontia batesi |
| Macrodontia cervicornis | Macrodyctium | Macrogalidia |
| Macrogalidia musschenbroekii | Macroglossa aethra | Macroglossa affinis |
| Macroglossa caudata | Macroglossa confinis | Macroglossa diffinis |
| Macroglossinae | Macroglossum | Macroglossum stellatarum |
| Macrogryphosaurus | Macrogryphosaurus gondwanicus | Macrogyne |
| Macrolepiota | Macrolepiota excoriata | Macrolepiota gracilenta |
| Macrolepiota konradii | Macrolepiota mastoidea | Macrolepiota procera |
| Macrolepiota puellaris | Macrolepiota rhacodes | Macrolepis |
| Macroleptura | Macroleptura thoracica | Macroleter |
| MacRoman | Macromedia | Macromedia Captivate |
| Macromedia ColdFusion | Macromedia Contribute | Macromedia Director |
| Macromedia Dreamweaver | Macromedia Fireworks | Macromedia Flash |
| Macromedia Flex | Macromedia FreeHand | Macromedia HomeSite |
| Macromedia Inc. | Macromedia Shockwave | Macromichoides |
| Macromischa | Macromischoides | Macromiscoides |
| Macromonycha | Macromyrme | Macromyzella |
| Macromyzus | Macron | Macron 1 |
