| Le Cardonnet, Montpelier, France | - | F | 0 | LS |
| Leping missile base, Jianxi, China | - | CN | 0 | LS |
| Lifeguard Point 1, Eniwetok, Pacific Ocean (EPG (Eniwetok Proving Grounds), Eniwetok (Enewetak) Atoll, Marshall Is.) | - | | 0 | LP |
| LIT LM12-DS | - | | 0 | LP |
| Little Carter Bay, Bahama Is. (Same as Walker Cay?) (Walker Cay, Bahama Islands) | - | | 0 | LP |
| Little Rock Air Force Base, Arkansas | - | US | 0 | LP |
| LM 10 Descent Stage, Hadley Base, Montes Apenninus, Montes Apenninus B4 | Luna | LU | 0 | LP |
| LM 10 Descent Stage, Hadley Base, Montes Apenninus, Montes Apenninus B4 (HAD launcher, CL Alcantara (CLA, Alcantara Space Center)) | Luna | | 0 | LP |
| LM 11 Descent Stage, Descartes Base, Descartes Plain, Theophilus D2 | Luna | | 0 | LP |
| LM 12 Descent Stage, Taurus-Littrow Base, Littrow Valley, Macrobius B1 | Luna | | 0 | LP |
| LM 5 DS, Tranquility Base, Mare Tranquillitatis, Julius Caesar C4 | Luna | | 0 | LP |
| LM6 Descent Stage, Surveyor 3 Site, Mare Insularum, Montes Riphaeus A2 | Luna | | 0 | LP |
| LM 8 Descent Stage, Fra Mauro Base, Fra Mauro, Montes Riphaeus B1 | Luna | | 0 | LP |
| LOMN CE-5 ZQ | - | | 0 | LP |
| Long Beach, California | - | | 0 | aerospace production and manufacturing assets |
| Long Range Proving Ground | Cape Canaveral, Florida | US | 0 | LS |
| Long Range Proving Ground (location) | - | | 0 | LS |
| Long Tom launcher, LA2, Woomera Range, South Australia (Woomera Instrumented Range, Woomera, South Australia) | - | | 0 | LP |
| Longyearbyen, Svalbard, Spitzbergen (SvalRak, Ny Alesund, Svalbard, Spitsbergen) | - | | 0 | LP |
| Lop Nor Airbase, Xinjiang | - | CN | 0 | LP |
| LOPNOR RW05/23 | - | | 0 | LP |
| Lough Neagh | - | | 0 | Northern Ireland |
| LP1, ADD Anhueng (Anhueng, Taean missile site, Ch'ungch'ong Namdo, Korea) | Anhueng Island 1 | | 0 | LP |
| LP1, Base 28, Jingyu (Jingyu missile base 28, Jingyu, Jilin province) | - | | 0 | LP |
| LP1, Bayan Hot test range | Alxa, Nei Monggol | | 0 | LP |
| LP1, Sinop missile test site, Turkey | - | | 0 | LP |
| LP2, Base 28, Jingyu (Jingyu missile base 28, Jingyu, Jilin province) | - | | 0 | LP |
| LP2, Bayan Hot test range | Alxa, Nei Monggol | | 0 | LP |
| LP2, Sinop missile test site, Turkey | - | | 0 | LP |
| LP3, ADD Anhueng (Anhueng, Taean missile site, Ch'ungch'ong Namdo, Korea) | South of Anhueng | | 0 | LP |
| LP3, Bayan Hot test range | Alxa, Nei Monggol | | 0 | LP |
| LP3, Sinop missile test site, Turkey | - | | 0 | LP |
| LROCK 374-7 | - | | 0 | LP |
| Lunar Lander Pads, Vertical Launch Area, Spaceport America (Spaceport America, New Mexico (9MN9)) | - | | 0 | LP |
| MAHIA LC1A | - | | 0 | LP |
| MAHIA LC1B | - | | 0 | LP |
| Mahia Peninsula | - | | 0 | |
| MAKAT LC12 | - | | 0 | LP |
| Makat tactical missile base, Atyrau, Kazakstan | - | | 0 | LP |
| Makhachkala missile base, Makhachkala, Dagestan | - | | 0 | LP |
| MAKHCH LC1/1 | - | | 0 | LP |
| MAKHCH LC1/3 | - | | 0 | LP |
| MAKHCH LC2/4 | - | | 0 | LP |
| MAKHCH LC2/5 | - | | 0 | LP |
| MAKHCH LC3/7 | - | | 0 | LP |
| MAKHCH LC3/8 | - | | 0 | LP |
| MAKHCH LC3/9 | - | | 0 | LP |
| Maritime Launch Services Spaceport, Canso, Nova Scotia | - | CA | 0 | LS |
| Marka Range, Lista, Norway | - | N | 0 | LS |
| MARMAC 300 Just Read The Instructions, SpaceX Autonomous Spaceport Drone Ship | - | US | 0 | SHIP |