| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| SOCA (ROCHAMBEAU) | airport | French Guiana | 4.82 | -52.36 | 26 | 0 | |
| SOOG (ST GEORGES DE L OYAPOCK) | airport | French Guiana | 3.90 | -51.80 | 46 | 0 | |
| ST GEORGES DE L OYAPOCK | airport | French Guiana | 3.90 | -51.80 | 46 | 0 | |
| Sablance | city | Guyane | French Guiana | 4.94 | -52.40 | 45 | 5734 |
| Sable Blanc | city | Guyane | French Guiana | 5.49 | -53.22 | 3 | 1625 |
| Sai | city | Guyane | French Guiana | 3.38 | -53.24 | 830 | 0 |
| Saint Georges | city | Guyane | French Guiana | 3.89 | -51.80 | 68 | 7983 |
| Saint Laurent | city | Guyane | French Guiana | 5.50 | -54.03 | 32 | 23323 |
| Saint-Antoine | city | Guyane | French Guiana | 5.60 | -53.88 | 78 | 116 |
| Saint-Auguste | city | Guyane | French Guiana | 4.84 | -53.30 | 272 | 284 |
| Saint-Bernard | city | Guyane | French Guiana | 5.17 | -52.95 | 344 | 298 |
| Saint-Esprit | city | Guyane | French Guiana | 4.28 | -52.13 | 75 | 904 |
| Saint-Eugene | city | Guyane | French Guiana | 4.85 | -53.07 | 374 | 0 |
| Saint-Georges | city | Guyane | French Guiana | 3.89 | -51.80 | 68 | 7983 |
| Saint-Georges-de-l'Oyapock | city | Guyane | French Guiana | 3.89 | -51.80 | 68 | 7983 |
| Saint-Jean | city | Guyane | French Guiana | 4.10 | -54.20 | 255 | 0 |
| Saint-Jean | city | Guyane | French Guiana | 5.40 | -54.08 | 118 | 34 |
| Saint-Joseph | city | Guyane | French Guiana | 3.14 | -52.35 | 177 | 1220 |
| Saint-Joseph | city | Guyane | French Guiana | 4.80 | -53.16 | 255 | 0 |
| Saint-Laurent-du-Maroni | city | Guyane | French Guiana | 5.50 | -54.03 | 32 | 23323 |
| Saint-Louis | city | Guyane | French Guiana | 4.03 | -51.69 | 26 | 0 |
| Saint-Louis | city | Guyane | French Guiana | 5.47 | -54.05 | 39 | 17879 |
| Saint-Lucien | city | Guyane | French Guiana | 4.15 | -52.54 | 206 | 0 |
| Saint-Maurice | city | Guyane | French Guiana | 5.48 | -54.03 | 55 | 22490 |
| Saint-Paul | city | Guyane | French Guiana | 4.83 | -53.31 | 288 | 284 |
| Saint-Paul | city | Guyane | French Guiana | 4.40 | -54.38 | 180 | 0 |
| Saint-Pierre | city | Guyane | French Guiana | 4.85 | -52.32 | 62 | 26694 |
| Saint-Pierre | city | Guyane | French Guiana | 3.15 | -52.66 | 344 | 0 |
| Saint-Roch | city | Guyane | French Guiana | 4.54 | -52.40 | 150 | 0 |
| Saint-Élie | city | Guyane | French Guiana | 4.82 | -53.29 | 262 | 284 |
| Saint-Éloi | city | Guyane | French Guiana | 3.73 | -53.23 | 830 | 0 |
| Sainte Anne Dégrad | city | Guyane | French Guiana | 4.80 | -53.11 | 242 | 0 |
| Sainte Elie | city | Guyane | French Guiana | 4.82 | -53.29 | 262 | 284 |
| Sainte Laurent | city | Guyane | French Guiana | 5.50 | -54.03 | 32 | 23323 |
| Sainte-Agathe | city | Guyane | French Guiana | 5.01 | -52.47 | 91 | 0 |
| Sainte-Anne | city | Guyane | French Guiana | 4.58 | -52.45 | 82 | 0 |
| Sainte-Anne | city | Guyane | French Guiana | 4.46 | -52.54 | 104 | 0 |
| Sainte-Anne | city | Guyane | French Guiana | 4.80 | -53.11 | 242 | 0 |
| Sainte-Catherine | city | Guyane | French Guiana | 4.87 | -52.38 | 239 | 16460 |
| Sainte-Helene | city | Guyane | French Guiana | 4.25 | -52.57 | 223 | 0 |
| Sainte-Marie-les-Mines | city | Guyane | French Guiana | 4.56 | -52.42 | 121 | 0 |
| Sainte-Marie-les-Mines | city | Guyane | French Guiana | 4.51 | -52.45 | 150 | 0 |
| Sainte-Rita | city | Guyane | French Guiana | 4.92 | -52.27 | 0 | 15783 |
| Sainte-Rose de Lima | city | Guyane | French Guiana | 4.82 | -52.34 | 249 | 17945 |
| Sainte-Thérèse | city | Guyane | French Guiana | 4.76 | -52.33 | 29 | 4403 |
| Saleli Condé | city | Guyane | French Guiana | 3.57 | -54.00 | 334 | 0 |
| Samapai | city | Guyane | French Guiana | 5.34 | -54.15 | 114 | 104 |
| Samapaï | city | Guyane | French Guiana | 5.31 | -54.18 | 134 | 96 |
| Samuel | city | Guyane | French Guiana | 4.88 | -52.33 | 29 | 28035 |
| Sania | city | Guyane | French Guiana | 5.19 | -54.32 | 101 | 3210 |
| Santonia | city | Guyane | French Guiana | 4.74 | -54.46 | 131 | 0 |
| Sapajou | city | Guyane | French Guiana | 4.26 | -52.67 | 144 | 0 |
| Sapokaï | city | Guyane | French Guiana | 3.56 | -52.68 | 314 | 0 |
| Sapotille | city | Guyane | French Guiana | 5.30 | -53.62 | 78 | 0 |
| Saul | city | Guyane | French Guiana | 3.63 | -53.20 | 830 | 188 |
| Saulnier | city | Guyane | French Guiana | 5.27 | -52.96 | 49 | 0 |
| Saut Sabbat | city | Guyane | French Guiana | 5.39 | -53.67 | 65 | 0 |
| Saut Tigre | city | Guyane | French Guiana | 5.01 | -53.03 | 144 | 0 |
| Sautero | city | Guyane | French Guiana | 4.82 | -52.31 | 19 | 17237 |
| Savane Mandé | city | Guyane | French Guiana | 3.38 | -52.15 | 137 | 0 |
| Savane Manuel | city | Guyane | French Guiana | 5.35 | -52.95 | 19 | 3106 |
| Savane Nango | city | Guyane | French Guiana | 5.37 | -52.95 | 16 | 3109 |
| Sen Loren du Maroni | city | Guyane | French Guiana | 5.50 | -54.03 | 32 | 23323 |
| Sendile | city | Guyane | French Guiana | 5.29 | -54.22 | 239 | 110 |
| Senkinen | city | Guyane | French Guiana | 5.10 | -54.37 | 134 | 1643 |
| Sikini | city | Guyane | French Guiana | 3.39 | -52.50 | 830 | 0 |
| Simarouba | city | Guyane | French Guiana | 4.92 | -52.29 | 141 | 17161 |
| Siminiout | city | Guyane | French Guiana | 2.91 | -52.82 | 830 | 0 |
| Simon | city | Guyane | French Guiana | 4.57 | -52.64 | 111 | 0 |
| Sinamary | city | Guyane | French Guiana | 5.38 | -52.96 | 9 | 3109 |
| Sinnama | city | Guyane | French Guiana | 5.38 | -52.96 | 9 | 3109 |
| Sinnamari | city | Guyane | French Guiana | 5.38 | -52.96 | 9 | 3109 |
| Sinnamary | city | Guyane | French Guiana | 5.38 | -52.96 | 9 | 3109 |
| Sipeu | city | Guyane | French Guiana | 2.82 | -52.47 | 229 | 0 |
| Sissilia | city | Guyane | French Guiana | 4.98 | -54.44 | 167 | 0 |
| Sivirine | city | Guyane | French Guiana | 5.37 | -53.19 | 59 | 0 |
| Socoumou | city | Guyane | French Guiana | 5.06 | -52.68 | 3 | 2085 |
| Sokoumou | city | Guyane | French Guiana | 5.06 | -52.68 | 3 | 2085 |
| Soké | city | Guyane | French Guiana | 5.33 | -54.18 | 101 | 140 |
| Soncelle | city | Guyane | French Guiana | 3.66 | -53.96 | 360 | 757 |
| Soneelle | city | Guyane | French Guiana | 3.66 | -53.96 | 360 | 757 |
| Sonnelle | city | Guyane | French Guiana | 3.66 | -53.96 | 360 | 757 |
| Sophie | city | Guyane | French Guiana | 3.96 | -53.49 | 830 | 0 |
| Soukoulobi | city | Guyane | French Guiana | 5.26 | -54.27 | 72 | 140 |
| Soula | city | Guyane | French Guiana | 4.91 | -52.41 | 16 | 8691 |
| Sparouine | city | Guyane | French Guiana | 5.27 | -54.26 | 72 | 146 |
| Spes | city | Guyane | French Guiana | 4.52 | -52.40 | 160 | 0 |
| Sport | city | Guyane | French Guiana | 4.47 | -53.58 | 216 | 0 |
| Stoupan | city | Guyane | French Guiana | 4.76 | -52.34 | 32 | 4593 |
| Sursaut | city | Guyane | French Guiana | 4.96 | -53.15 | 206 | 0 |
| Susini | city | Guyane | French Guiana | 4.93 | -52.29 | 141 | 14291 |
| Suzini | city | Guyane | French Guiana | 4.93 | -52.29 | 141 | 14291 |