| Moraba mobile launcher, LA2, Woomera Range, South Australia (Woomera Instrumented Range, Woomera, South Australia) | - | | 0 | LP |
| Mozyr launches in Russian invasion of Ukraine (Belarus missile launch sites in Russian invasion of Ukraine) | - | | 0 | LP |
| MR-100 launch area, GTsP-4, Kapustin Yar (GTsP-4, Kapustin Yar, Volgograd, Rossiya) | - | | 0 | LP |
| MRL 7.5K, Kokole Point Launch Site, KTF (Kauai Test Facility (KTF), Barking Sands, Kauai) | - | | 0 | LP |
| MRL 7.5K launcher, Pad 1, Poker Flat Research Range, Alaska (Poker Flat Research Range, Ft Wainwright, Alaska) | - | | 0 | LP |
| MRL 7.5K launcher, Pad 2, Poker Flat Research Range, Alaska (Poker Flat Research Range, Ft Wainwright, Alaska) | - | | 0 | LP |
| MRL Launcher 630, Launch Complex 36, WSMR (White Sands Missile Range, New Mexico) | - | | 0 | LP |
| MRL launcher, Camp Tortuguero, Arecibo, Puerto Rico (Camp Tortuguero, Vega Baja, Arecibo, Puerto Rico) | - | | 0 | LP |
| MRL launcher, CL Alcantara (CLA, Alcantara Space Center) | Alcantara, Maranhao, Brasil | | 0 | LP |
| MRL Launcher, Launch Area 2, Wallops Flight Facility (Wallops Flight Facility, Wallops Island, Virginia) | - | | 0 | LP |
| MRL Launcher, Sondestrom (Sonde Stromfjord, Kangerlussuaq, Kalaallit Nunaat (Gronland)) | - | | 0 | LP |
| MRL launcher, Woomera (Woomera Instrumented Range, Woomera, South Australia) | - | | 0 | LP |
| Mt White Station, Canterbury, New Zealand | - | NZ | 0 | LS |
| MUD A | - | | 0 | LP |
| MUD B | - | | 0 | LP |
| MUD L | - | | 0 | LP |
| Mud Lake 1 drop zone, Nevada (Mud Lake, Nevada) | - | | 0 | LP |
| Mud Lake 2 drop zone, Nevada (Mud Lake, Nevada) | - | | 0 | LP |
| Mud Lake, Nevada | - | | 0 | LP |
| MUD RW08/26 | - | | 0 | LP |
| MUD RW18/36 | - | | 0 | LP |
| Munchon launch aera, Kangwon-do - (Kalma Airport, Wonsan/Kittaeryong (Gitdaeryung), Kangwon-do) | - | | 0 | LP |
| Mu Pad, Kagoshima Space Center (Kagoshima Space Center, Kagoshima, Kyushu, Nippon) | - | | 13 | LP |
| MUPYONG LP1 | - | | 0 | LP |
| MUPYONG LP2 | - | | 0 | LP |
| Mupyong-ni, Chagang province | - | | 0 | LP |
| Musson | - | SU | 0 | SHIP |
| Musson cruise 1978 (Musson Expedition 2, 1978 (SU007211)) | - | | 0 | LP |
| Musson cruise 1979B (Musson Expedition 5, 1979) | - | | 0 | LP |
| Musson cruise 1982B (Musson Expedition 8, 1982 (SU007540)) | - | | 0 | LP |
| Musson Expedition 10, 1983 (SU007042) | Minia, Atlantic Ocean | SU | 0 | LC |
| Musson Expedition 11, 1985 (SU007410) | Minia, Atlantic Ocean | SU | 0 | LC |
| Musson Expedition 1, 1977 (SU000630) | Minia, Atlantic Ocean | SU | 0 | LP |
| Musson Expedition 12, 1987 (SU007554) | Minia, Atlantic Ocean | SU | 0 | LC |
| Musson Expedition 13, 1989 | Minia, Atlantic Ocean | SU | 0 | LC |
| Musson Expedition 2, 1978 (SU007211) | Minia, Atlantic Ocean | SU | 0 | LC |
| Musson Expedition 3, 1978 (SU007213) | Minia, Atlantic Ocean | SU | 0 | LC |
| Musson Expedition 4, 1979 | Minia, Atlantic Ocean | SU | 0 | LC |
| Musson Expedition 5, 1979 | Minia, Atlantic Ocean | SU | 0 | LC |
| Musson Expedition 6, 1981 (SU012109) | Minia, Atlantic Ocean | SU | 0 | LC |
| Musson Expedition 7, 1982 (SU000602) | Minia, Atlantic Ocean | SU | 0 | LC |
| Musson Expedition 8, 1982 (SU007540) | Minia, Atlantic Ocean | SU | 0 | LC |
| Musson Expedition 9, 1983 (SU007042) | Minia, Atlantic Ocean | SU | 0 | LC |
| Musudan launch site, Banghyon Airport, Kusong City, N Pyongan Prov. | - | KP | 0 | LP |
| Musudan launch site, Panghyon Airport, Kusong City (Musudan launch site, Banghyon Airport, Kusong City, N Pyongan Prov.) | - | | 0 | LP |
| M-V Pad, Kagoshima Space Center (Kagoshima Space Center, Kagoshima, Kyushu, Nippon) | - | | 7 | LP |
| NAMFI target launch site: either Ftena, Pachia or Makra | - | | 0 | LS |
| NAOTS RW04/22 | - | | 0 | LP |
| NAOTS RW22 | - | | 0 | LP |
| NARO LC1 | - | | 0 | LP |