| # | Name | Population |
| 18301 | Lientur, Islotes, | 0 |
| 18302 | Proclamation Island, island | 0 |
| 18303 | Prioress Island, | 0 |
| 18304 | Preston Island, | 0 |
| 18305 | Potmess Rocks, | 0 |
| 18306 | Poryadin Island, | 0 |
| 18307 | Popp Island, | 0 |
| 18308 | Ponce Island, | 0 |
| 18309 | Pluton, ostrov, | 0 |
| 18310 | Plog Island, island 1.9 km long in Prydz Bay, north of Lake Island and west of Breidnes Peninsula, Vestfold Hills | 0 |
| 18311 | Plaice Island, | 0 |
| 18312 | Pitt Islands, island | 0 |
| 18313 | Piton Island, | 0 |
| 18314 | Pipkin Rock, island in Antarctica | 0 |
| 18315 | Pinn Island, Island in Antarctica | 0 |
| 18316 | Pinero Island, | 0 |
| 18317 | Shcherbinina Island, | 0 |
| 18318 | Shaw Islands, | 0 |
| 18319 | Shagnasty Island, | 0 |
| 18320 | Betbeder, islotes, | 0 |
| 18321 | Pfaff Island, | 0 |
| 18322 | Petrel Island, island near Antarctica | 0 |
| 18323 | Peterson Island, antarctic island | 0 |
| 18324 | Petersen Island, | 0 |
| 18325 | Petermann Island, refuge in Argentina | 0 |
| 18326 | Pesky Rocks, | 0 |
| 18327 | Persson, isla, | 0 |
| 18328 | Peralta Rocks, | 0 |
| 18329 | Per Rock, | 0 |
| 18330 | Penola Island, | 0 |
| 18331 | Penguin Island, | 0 |
| 18332 | Pelseneer Island, | 0 |
| 18333 | Pearl Rocks, islands of Antarctica | 0 |
| 18334 | Pear, Islote, | 0 |
| 18335 | Peage Island, | 0 |
| 18336 | Peace Island, | 0 |
| 18337 | Nevada, isla, | 0 |
| 18338 | Birkenhauer Island, | 0 |
| 18339 | Snodgrass Island, | 0 |
| 18340 | Smooth Island, | 0 |
| 18341 | Foca, islas, | 0 |
| 18342 | Scud, roca, | 0 |
| 18343 | Scott Island, island | 0 |
| 18344 | Trillingoyane, | 0 |
| 18345 | Trigwell Island, | 0 |
| 18346 | Trigonia, islote, | 0 |
| 18347 | Trickster Rocks, | 0 |
| 18348 | Trevillian Island, | 0 |
| 18349 | Trepassey, islotes, | 0 |
| 18350 | Trepassey Island, Antarctic island | 0 |
| 18351 | Transverse Island, | 0 |
| 18352 | Tower Island, island | 0 |
| 18353 | Tot Island, | 0 |
| 18354 | Topografov Island, | 0 |
| 18355 | Tooth Rock, | 0 |
| 18356 | Tongue Rocks, Rocks off the Antarctic coast | 0 |
| 18357 | Pila Island, | 0 |
| 18358 | Pig Rock, | 0 |
| 18359 | Billie Rocks, | 0 |
| 18360 | Sierra, Isla, | 0 |
| 18361 | Shull, islotes, | 0 |
| 18362 | Shortcut Island, | 0 |
| 18363 | Short, isla, | 0 |
| 18364 | Shepard Island, island | 0 |
| 18365 | Biggs Island, island in the Marguerite Bay, Antarctica | 0 |
| 18366 | Sheelagh Islands, island | 0 |
| 18367 | Big Razorback Island, geographical object | 0 |
| 18368 | Sapozhok Island, | 0 |
| 18369 | Sansom Islands, | 0 |
| 18370 | Telmo Island, | 0 |
| 18371 | Samojlovicha, poluostrov, | 0 |
| 18372 | Salmon Island, | 0 |
| 18373 | Berthelot, islotes, | 0 |
| 18374 | Bertha Island, | 0 |
| 18375 | Sail Rock, geographical object | 0 |
| 18376 | Saffery, islas, | 0 |
| 18377 | Montura, isla (Is.Orcadas del Sur, | 0 |
| 18378 | Sabrina Island, | 0 |
| 18379 | Saavedra, Islote, | 0 |
| 18380 | Runnelstone, Roca, | 0 |
| 18381 | Rumpa, | 0 |
| 18382 | Rumbler Rock, Rock in Antarctica | 0 |
| 18383 | Hoffman, islote, | 0 |
| 18384 | Rudmose, rocas, | 0 |
| 18385 | Roux, isla, | 0 |
| 18386 | Rouse Islands, | 0 |
| 18387 | Bernard, rocas, | 0 |
| 18388 | Claude Bernard, Ile, | 0 |
| 18389 | Ross Archipelago, group of islands in Antarctica | 0 |
| 18390 | Rose Rock, | 0 |
| 18391 | Rosamel Island, island in Antarctica | 0 |
| 18392 | Rosa, Islotes, | 0 |
| 18393 | Rookery Islands, group of rocks and small islands in Antarctica | 0 |
| 18394 | Roget, rocas, | 0 |
| 18395 | Redfearn Island, | 0 |
| 18396 | Red Island, | 0 |
| 18397 | Agurto Rock, | 0 |
| 18398 | Refuge Islands, refuge in Argentina | 0 |
| 18399 | Reference Islands, | 0 |
| 18400 | Reeve Island, | 0 |
