| m4_sherman | military_vehicle motor_vehicle tank | |
| m50_reising | gun submachine_gun weapon | |
| m6 | gun handgun weapon | |
| m60_(machine_gun) | gun machine_gun weapon | |
| m7 | gun submachine_gun weapon | |
| m79 | grenade_launcher weapon | |
| ma5 | assault_rifle bullpup gun rifle weapon | |
| mac-10/11 | gun submachine_gun weapon | |
| macaron | food | |
| macaron_hair_ornament | food-themed_hair_ornament hair_ornament | |
| macaron_print | food_print | |
| macaw | bird parrot | |
| mace | weapon | |
| machine_gun | gun weapon | |
| madnessbrs | banned_artist | |
| maemi_(maemi12) | banned_artist | |
| maestrale_(christmas)_(kancolle) | character:maestrale_(kancolle) | |
| maestrale_kai_(swimsuit)_(kancolle) | character:maestrale_(kancolle) | |
| maestrale_(swimsuit)_(kancolle) | character:maestrale_(kancolle) | |
| maestrale_(valentine)_(kancolle) | character:maestrale_(kancolle) | |
| mag-7 | gun shotgun weapon | |
| magatama_earrings | earrings jewelry magatama | |
| magatama_necklace | jewelry magatama necklace | |
| magazine_cover | cover | |
| magazine_ejection | magazine_(weapon) | |
| magazine_scan | scan | |
| magical_musket | gun weapon | |
| magic_bullet_(e.g.o) | e.g.o_(project_moon) | |
| magic_school_uniform_(mahou_girls_precure!) | school_uniform | |
| mago_berry | berry_(pokemon) | |