| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
201  | Tékadi Marigot de Sansale,Marigot de Sansalé,Tekadi,Tékadi | Guinea, Boké Region Boke | stream | N 11° 2′ 0'' | W 14° 54′ 0'' |
| 202 | Tasi Bilima Tasi Bilima,Tassi | Guinea, Mamou Region Mamou | stream | N 10° 23′ 0'' | W 12° 23′ 0'' |
| 203 | Taoulou Taouli,Taoulou | Guinea, Kindia Kindia | stream | N 10° 25′ 0'' | W 13° 2′ 0'' |
| 204 | Tafoulou Tafoulou,Tanfoulou | Guinea, Kindia Kindia | stream | N 10° 21′ 0'' | W 13° 4′ 0'' |
| 205 | Tabounsou Riviere Tanneneh,Rivière Tanneneh,Tabounsou | Guinea, Conakry | distributary(-ies) | N 9° 33′ 36'' | W 13° 35′ 33'' |
| 206 | Mouillage de Taboriya Mouillage de Taboria,Mouillage de Taboriya | Guinea, Boké Region Préfecture de boffa | anchorage | N 9° 55′ 0'' | W 13° 58′ 0'' |
| 207 | Taboriya Taboria,Taboriya | Guinea, Boké Region Préfecture de boffa | stream | N 9° 58′ 0'' | W 13° 57′ 0'' |
| 208 | Pointe Sud Pointe Sud,South Prong | Guinea, Boké Region Boke | section of reef | N 10° 22′ 0'' | W 15° 4′ 0'' |
| 209 | Passe du Sud Chenal Sud,Passe du Sud | Guinea, Kindia Forecariah | marine channel | N 9° 7′ 0'' | W 13° 19′ 0'' |
| 210 | Songolon Songolon,Songoron Riviere,Songoron Rivière | Guinea, Boké Region Boke | stream | N 10° 41′ 0'' | W 14° 26′ 0'' |
| 211 | Sonfélé Senkefe,Senkéfé,Sonfele,Sonfélé | Guinea, Kankan Region Préfecture de Kouroussa | intermittent stream | N 10° 26′ 0'' | W 9° 45′ 0'' |
| 212 | Sonbatinia Sambalenia,Sambalénia,Sonbatinia | Guinea, Kankan Region GN.K.05 | stream | N 10° 54′ 0'' | W 10° 51′ 0'' |
| 213 | Skaniko Kanako,Skaniko | Guinea, Kankan Region Préfecture de Siguiri | stream | N 12° 22′ 0'' | W 9° 19′ 0'' |
| 214 | Sinkirin Sankirin,Sinkirin | Guinea, | stream | N 9° 34′ 0'' | W 13° 16′ 0'' |
| 215 | Sinkiné Sankine,Sankiné,Sinkine,Sinkiné | Guinea, Kindia Forecariah | distributary(-ies) | N 9° 20′ 0'' | W 13° 19′ 0'' |
| 216 | Siliya Siliya,Sillia | Guinea, Boké Region Boke | stream | N 11° 14′ 0'' | W 14° 46′ 0'' |
| 217 | Sili Sili,Silli | Guinea, Kankan Region Préfecture de Kouroussa | stream | N 10° 47′ 0'' | W 10° 18′ 0'' |
| 218 | Siboladabon Siboladabon,Soubaladaton | Guinea, Kindia Dubreka | distributary(-ies) | N 9° 46′ 0'' | W 13° 34′ 0'' |
| 219 | Seroua Farna,Seroua | Guinea, Faranah Faranah Prefecture | stream | N 9° 10′ 0'' | W 10° 32′ 0'' |
| 220 | Sérindé Serinde,Serounde Riviere,Serounde Rivière,Sérindé | Guinea, Faranah Faranah Prefecture | stream | N 9° 35′ 0'' | W 10° 26′ 0'' |
| 221 | Sénini Semini,Senini,Sémini,Sénini | Guinea, Boké Region Koundara Prefecture | stream | N 12° 26′ 0'' | W 13° 12′ 0'' |
| 222 | Sanko Saniko,Sanko | Guinea, Kindia Dubreka | distributary(-ies) | N 9° 54′ 14'' | W 13° 39′ 14'' |
| 223 | Sangué Sangue,Sangué,Sengue,Sengué | Guinea, Kindia Dubreka | stream | N 10° 8′ 0'' | W 13° 41′ 0'' |
| 224 | Samou Kabekha,Kabékha,Samou | Guinea, Kindia Kindia | stream | N 9° 56′ 0'' | W 13° 14′ 0'' |
| 225 | Samenta Samantan,Samenta | Guinea, Labé Region Tougue | stream | N 11° 18′ 0'' | W 11° 42′ 0'' |
| 226 | Safakhouré Sabakoure,Sabakouré,Safakhoure,Safakhouré | Guinea, Kindia Forecariah | stream | N 9° 30′ 0'' | W 13° 12′ 0'' |
| 227 | Île de Sable Ile de Sable,Sand Island,Île de Sable | Guinea, Boké Region Boke | shoal(s) | N 10° 37′ 0'' | W 14° 40′ 0'' |
| 228 | Quimpako Kimpa Ko,Quimpako | Guinea, Mamou Region GN.M.07 | stream | N 11° 8′ 0'' | W 11° 15′ 0'' |
| 229 | Poundouali Koundowali,Poundouali | Guinea, | stream | N 9° 0′ 0'' | W 10° 17′ 0'' |
| 230 | Pinselli Pinseli,Pinselli,Pinséli | Guinea, Mamou Region Mamou | stream | N 10° 5′ 0'' | W 11° 52′ 0'' |
| 231 | Passe des Pilotes Passe des Pilotes,Pilots Passage | Guinea, Boké Region Boke | marine channel | N 10° 49′ 0'' | W 15° 11′ 0'' |
| 232 | Péla Pela,Péla | Guinea, Nzérékoré Region Préfecture de Yomou | stream | N 7° 32′ 0'' | W 9° 13′ 0'' |
| 233 | Ouyala Ouyaba Riviere,Ouyaba Rivière,Ouyala | Guinea, Kankan Region Préfecture de mandiana | intermittent stream | N 10° 47′ 0'' | W 9° 13′ 0'' |
| 234 | Ourovaïé Ourovaie,Ourovale,Ourovalé,Ourovaïé | Guinea, Nzérékoré Region Préfecture de Macenta | stream | N 8° 27′ 57'' | W 9° 4′ 35'' |
| 235 | Ouin Ouin Ouin,Ouin Ouin | Guinea, Nzérékoré Region Préfecture de Macenta | stream | N 7° 49′ 0'' | W 9° 18′ 0'' |
| 236 | Ouinguikiran Guinguikiran,Ouinguikiran | Guinea, Mamou Region Pita | stream | N 10° 42′ 0'' | W 12° 42′ 0'' |
| 237 | Pointe Ouest Pointe Ouest,West Prong | Guinea, Boké Region Boke | section of reef | N 10° 27′ 0'' | W 15° 15′ 0'' |
| 238 | Orebé Orebe,Orebé,Qrebe,Qrebé | Guinea, Nzérékoré Region Préfecture de Macenta | stream | N 8° 17′ 0'' | W 9° 6′ 0'' |
| 239 | Oonson Donso,Oonson | Guinea, Boké Region GN.B.27 | stream | N 11° 8′ 0'' | W 13° 14′ 0'' |
| 240 | Rio Nunez Rio Nunez,Rio Nunez Fleuve | Guinea, Boké Region Boke | stream | N 10° 50′ 0'' | W 14° 32′ 0'' |
| 241 | Passe du Nord Chenal Nord,Passe du Nord | Guinea, Conakry | marine channel | N 9° 32′ 16'' | W 13° 50′ 26'' |
| 242 | Passe du Nord Chenal Nord,Passe du Nord | Guinea, Kindia Forecariah | marine channel | N 9° 9′ 0'' | W 13° 19′ 0'' |
| 243 | Nomo Noma,Nomo | Guinea, | stream | N 11° 21′ 0'' | W 13° 17′ 0'' |
| 244 | Nionboli Niomboli,Nionboli | Guinea, Kankan Region Préfecture de mandiana | stream | N 10° 35′ 0'' | W 8° 35′ 0'' |
| 245 | Numbolo Niomolo,Numbolo | Guinea, Mamou Region Mamou | stream | N 9° 51′ 26'' | W 12° 6′ 20'' |
| 246 | Ninki Nianki Riviere,Nianki Rivière,Ninki | Guinea, Kankan Region Kankan | stream | N 10° 21′ 0'' | W 9° 42′ 0'' |
| 247 | Nia Ya Nia Ya,Nie Ya | Guinea, Nzérékoré Region Préfecture de Yomou | stream | N 7° 41′ 0'' | W 9° 9′ 0'' |
| 248 | Niaoulo Niaouio,Niaoulo | Guinea, Nzérékoré Region Nzerekore | stream | N 7° 58′ 22'' | W 8° 54′ 0'' |
| 249 | Niantan Niandan,Niantan | Guinea, | stream | N 10° 30′ 0'' | W 10° 26′ 0'' |
| 250 | Niamina Niamina,Niamina Ko | Guinea, Kankan Region Préfecture de Siguiri | intermittent stream | N 11° 8′ 0'' | W 9° 8′ 0'' |
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