| Point Mugu western drop zone (SLBM and Air Launch Area, Western Test Range, Pacific Ocean) | Pacific Ocean | | 0 | LP |
| Poker Flat Research Range, Ft Wainwright, Alaska | - | US | 0 | LP |
| Polaris pop-up test site, San Clemente Island, California (San Clemente Island, Pacific Missile Range, California) | - | | 0 | LP |
| Poligono de Salinas Grandes, Serrezuela, Cordoba | - | AR | 0 | LS |
| Poligono Sperimentale e di Addestramento Interforze del Salto di Quirra | - | I | 0 | LP |
| POMFLANT, Polaris Missile Facility, Atlantic | Charleston, S Carolina | US | 0 | LS |
| POMFPAC, Polaris Missile Facility, Pacific | Bangor, Washington | US | 0 | LS |
| PORC1 LP1 | - | | 0 | LP |
| Port Bienville Launch Area, Gulf of Mexico | - | US | 0 | LZ |
| Priliv | - | SU | 0 | SHIP |
| Priliv cruise 1976 (Priliv Expedition 1, 1976-77 (SU017379)) | Pacific Ocean | | 0 | LP |
| Priliv cruise 1979 (Priliv Expedition 2, 1979) | Indian Ocean | | 0 | LP |
| Priliv cruise 1980 (Priliv Expedition 3, 1980 (SU000728)) | Pacific Ocean | | 0 | LP |
| Priliv cruise 1981 (Priliv Expedition 4, 1981 (SU010430/31)) | Indian Ocean | | 0 | LP |
| Priliv cruise 1987-8 (Priliv Expedition 6, 1987-88 (SU016756)) | Pacific Ocean | | 0 | LP |
| Priliv cruise 1988-89 (Priliv Expedition 8, 1988-89 (SU015539)) | Pacific Ocean | | 0 | LP |
| Priliv cruise 1988 (Priliv Expedition 7, 1988 (SU015533)) | Pacific Ocean | | 0 | LP |
| Priliv cruise 1990 (Priliv Expedition 9, 1990 (SU015548/110331)) | Pacific Ocean | | 0 | LP |
| Priliv Expedition 1, 1976-77 (SU017379) | Pacific Ocean | SU | 0 | LP |
| Priliv Expedition 2, 1979 | Indian Ocean | SU | 0 | LC |
| Priliv Expedition 3, 1980 (SU000728) | Pacific Ocean | SU | 0 | LC |
| Priliv Expedition 4, 1981 (SU010430/31) | Southern and Indian Oceans | SU | 0 | LC |
| Priliv Expedition 5, 1987 | Pacific Ocean? | SU | 0 | LC |
| Priliv Expedition 6, 1987-88 (SU016756) | Pacific Ocean | SU | 0 | LC |
| Priliv Expedition 7, 1988 (SU015533) | Pacific Ocean | SU | 0 | LC |
| Priliv Expedition 8, 1988-89 (SU015539) | Pacific Ocean | SU | 0 | LC |
| Priliv Expedition 9, 1990 (SU015548/110331) | Pacific Ocean | SU | 0 | LC |
| Primrose Lake, Alberta | - | CA | 0 | LS |
| Probable launch from CEL (Site "CE" in Chesser's BAL list) (Centre d'Essais de Landes, Biscarosse, Landes, France) | - | | 0 | LP |
| Probe Complex No. 1, San Nicolas I. (San Nicolas Island, Pacific Missile Range, California) | - | | 0 | LP |
| Probe Launch Complex C, Vandenberg AFB (South Vandenberg AFB, California) | - | | 0 | LP |
| Professor Vize | - | SU | 0 | SHIP |
| Professor Zubov | - | SU | 0 | SHIP |
| Project Argus (USS Warrington, TF88 Argus cruise from Virginia to S Atlantic) | Atlantic Ocean | | 0 | LP |
| PS-65M submarine launch stand, Black Sea (Chernoye More (Black Sea) submarine test launch area) | - | | 0 | LP |
| PS-65 submarine launch stand, Black Sea (Chernoye More (Black Sea) submarine test launch area) | - | | 0 | LP |
| PSCA LP3A | - | | 0 | LP |
| PSCA LP3B | - | | 0 | LP |
| PSCA LP3C | - | | 0 | LP |
| PSCA LP3D | - | | 0 | LP |
| PSD-4 submarine launch stand, Black Sea (Chernoye More (Black Sea) submarine test launch area) | - | | 0 | LP |
| PSD-5M submarine launch stand, Black Sea (Chernoye More (Black Sea) submarine test launch area) | - | | 0 | LP |
| PSD-5 submarine launch stand, Black Sea (Chernoye More (Black Sea) submarine test launch area) | - | | 0 | LP |
| PSD-7 submarine launch stand, Black Sea (Chernoye More (Black Sea) submarine test launch area) | - | | 0 | LP |
| PSD-9 submarine launch stand, Black Sea (Chernoye More (Black Sea) submarine test launch area) | - | | 0 | LP |
| PSLV pad, Sriharikota Range (Satish Dhawan Space Ctr, Sriharikota, Andhra Pradesh, India) | - | | 55 | LP |
| PU 11, NIIP-53, Plesetsk, Rossiya (1-y Gosudarstvenniy Ispitatelniy Kosmodrom MO RF) | - | | 0 | LP |
| PU15, Ploshchadka 41, GIK-5, Baykonur, Kazakstan | - | | 0 | LP |
| PU18, Ploshchadka 140, GIK-5, Baykonur, Kazakstan | - | | 0 | LP |
| PU18, Ploshchadka 80 (later 140), GIK-5, Baykonur, Kazakstan | - | | 0 | LP |