| # | Name | Population |
| 18201 | Rauer Group, | 0 |
| 18202 | Ranvik Island, group of rock islands in the Antarctic Treaty area | 0 |
| 18203 | Tierra Firme, islotes, | 0 |
| 18204 | Tent Island, Island in Antarctica | 0 |
| 18205 | Tenorio, Islote, | 0 |
| 18206 | Temnyje Islands, | 0 |
| 18207 | Telefon, rocas, | 0 |
| 18208 | Norris Island, | 0 |
| 18209 | Teigan Island, | 0 |
| 18210 | Teall Island, | 0 |
| 18211 | Teoyane, | 0 |
| 18212 | Sandra, Islote, | 0 |
| 18213 | Stonington, isla, | 0 |
| 18214 | Stoltz Island, | 0 |
| 18215 | Stoker Island, | 0 |
| 18216 | Stillwell Island, | 0 |
| 18217 | Stewart Stacks, | 0 |
| 18218 | Stevenson Island, | 0 |
| 18219 | Steinemann, islotes, | 0 |
| 18220 | Stein Islands, | 0 |
| 18221 | Black Island, island in the Ross Archipelago | 0 |
| 18222 | Nora Island, island lying at the head of Utstikkar Bay | 0 |
| 18223 | Stayaway Skerries, landform | 0 |
| 18224 | Stanton Group, | 0 |
| 18225 | Bonert, Islote, | 0 |
| 18226 | Vietor Rock, rock in the South Shetland Islands, Antarctica | 0 |
| 18227 | Vicars Island, island | 0 |
| 18228 | Verte, Ile, | 0 |
| 18229 | Verge, Rocas, | 0 |
| 18230 | Stroitelej, ostrova, | 0 |
| 18231 | Square End Island, | 0 |
| 18232 | Sputnik Islands, | 0 |
| 18233 | Sprightly, isla, | 0 |
| 18234 | Rothschild, islote, | 0 |
| 18235 | Split Rock, community in Onondaga County, New York | 0 |
| 18236 | Spirtle Rock, | 0 |
| 18237 | Sphinx Rock, | 0 |
| 18238 | Spayd Island, | 0 |
| 18239 | Southtrap Rock, | 0 |
| 18240 | Sotomayor, Islote, | 0 |
| 18241 | Sostrene Islands, Antarctic island group | 0 |
| 18242 | Sorpresa Rock, | 0 |
| 18243 | Sorge, isla, | 0 |
| 18244 | Sooty Rock, rock in Wilhelm Archipelago | 0 |
| 18245 | Chandler, Isla, | 0 |
| 18246 | Smelykh Island, | 0 |
| 18247 | Small Rock, | 0 |
| 18248 | Slon Island, | 0 |
| 18249 | Skua, islote, | 0 |
| 18250 | Skilling, islote, | 0 |
| 18251 | Sirube Zima, | 0 |
| 18252 | Sirius Islands, | 0 |
| 18253 | Sinker Rock, | 0 |
| 18254 | Single Island, | 0 |
| 18255 | Sims, Isla, | 0 |
| 18256 | Simpson Rocks, | 0 |
| 18257 | Sillard, islotes, | 0 |
| 18258 | Signy, isla, | 0 |
| 18259 | Sentinelles, Iles, | 0 |
| 18260 | Ailsa Craig, isla, | 0 |
| 18261 | Way Archipelago, islands of Antarctica | 0 |
| 18262 | Wauwermans, islas, | 0 |
| 18263 | Warrington Island, | 0 |
| 18264 | Warriner Island, island of Antarctica | 0 |
| 18265 | Warren Island, | 0 |
| 18266 | Warnock Islands, | 0 |
| 18267 | Warden Rock, island in Graham Land | 0 |
| 18268 | Waratah Islands, | 0 |
| 18269 | Vegetation Island, | 0 |
| 18270 | Vedel, islotes, | 0 |
| 18271 | Vazquez, isla, | 0 |
| 18272 | Varyag Island, | 0 |
| 18273 | Van Hulssen Islands, | 0 |
| 18274 | Van Hulssen Island, | 0 |
| 18275 | Ungane, | 0 |
| 18276 | Umber Island, | 0 |
| 18277 | Ufs Island, | 0 |
| 18278 | Boffa Island, | 0 |
| 18279 | Dos Morros, isla, | 0 |
| 18280 | Two Hummock Island, | 0 |
| 18281 | Twins, The, | 0 |
| 18282 | Twin Pinnacles, | 0 |
| 18283 | Twig Rock, | 0 |
| 18284 | Turtle Rock, Irvine, California | 0 |
| 18285 | Tortuga, islotes, | 0 |
| 18286 | Turner Island, island of Antarctica | 0 |
| 18287 | Turmoil Rock, | 0 |
| 18288 | Tukey Island, | 0 |
| 18289 | Tryne Islands, islands of Antarctica | 0 |
| 18290 | Trundle, isla, | 0 |
| 18291 | Bob Island, Antarctic island | 0 |
| 18292 | Trivial Islands, | 0 |
| 18293 | Tristan, Ile, | 0 |
| 18294 | Tripp Island, | 0 |
| 18295 | Triple, Ile, | 0 |
| 18296 | Thompson Island, phantom island in the South Atlantic | 0 |
| 18297 | Thil Island, island | 0 |
| 18298 | Thiebault Island, | 0 |
| 18299 | Animas Island, | 0 |
| 18300 | Boxing, isla, | 0 |
