| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sua | city | Esmeraldas | Ecuador | 0.86 | -79.87 | 0 | 11583 |
| Sua Entza | city | Morona-Santiago | Ecuador | -2.43 | -77.90 | 3349 | 124 |
| Suapaca | city | Zamora-Chinchipe | Ecuador | -3.92 | -78.83 | 3349 | 3987 |
| Sube y Baja | city | Guayas | Ecuador | -2.19 | -80.45 | 403 | 1131 |
| Sube y Baja | city | Manabi | Ecuador | -0.30 | -79.73 | 885 | 2915 |
| Subibaja | city | Guayas | Ecuador | -2.19 | -80.45 | 403 | 1131 |
| Subibaja | city | Manabi | Ecuador | -0.30 | -79.73 | 885 | 2915 |
| Subida Alta | city | Guayas | Ecuador | -2.83 | -80.25 | 16 | 499 |
| Subida de Chalacas | city | Azuay | Ecuador | -3.00 | -78.85 | 8536 | 9848 |
| Subidalta | city | Guayas | Ecuador | -2.83 | -80.25 | 16 | 499 |
| Sucre | city | Guayas | Ecuador | -2.37 | -80.47 | 830 | 2455 |
| Sucre | city | Manabi | Ecuador | -1.28 | -80.42 | 830 | 11716 |
| Sucre | city | Tungurahua | Ecuador | -1.26 | -78.49 | 10068 | 12641 |
| Sucre | city | Manabi | Ecuador | -0.60 | -80.42 | 0 | 19146 |
| Sucre | city | Esmeraldas | Ecuador | 1.00 | -78.80 | 830 | 1607 |
| Sucua | city | Morona-Santiago | Ecuador | -2.46 | -78.17 | 3503 | 2408 |
| Suentza | city | Morona-Santiago | Ecuador | -2.43 | -77.90 | 3349 | 124 |
| Suenza | city | Morona-Santiago | Ecuador | -2.43 | -77.90 | 3349 | 124 |
| Sula | city | Azuay | Ecuador | -3.17 | -79.14 | 8471 | 5894 |
| Sulag Pamba | city | Azuay | Ecuador | -3.02 | -79.02 | 9228 | 7813 |
| Sulag Puglo | city | Azuay | Ecuador | -3.02 | -79.03 | 9228 | 8117 |
| Sulupali | city | Azuay | Ecuador | -3.32 | -79.29 | 4511 | 4895 |
| Sulupali Chico | city | Azuay | Ecuador | -3.31 | -79.28 | 5029 | 5350 |
| Sulupalli | city | Azuay | Ecuador | -3.32 | -79.29 | 4511 | 4895 |
| Sulupalli Chico | city | Azuay | Ecuador | -3.31 | -79.28 | 5029 | 5350 |
| Suma | city | El Oro | Ecuador | -3.33 | -79.57 | 2585 | 3555 |
| Suma | city | Azuay | Ecuador | -3.20 | -79.02 | 10275 | 5249 |
| Suma | city | Pichincha | Ecuador | -0.20 | -79.37 | 1062 | 3054 |
| Sumaco | city | Napo | Ecuador | -0.47 | -77.60 | 5246 | 321 |
| Sumbahuaico | city | Canar | Ecuador | -2.83 | -78.89 | 8389 | 41680 |
| Sumblid | city | Azuay | Ecuador | -2.92 | -78.73 | 9228 | 14540 |
| Sumino | city | Napo | Ecuador | -0.96 | -77.42 | 1062 | 909 |
| Sumirumi | city | Cotopaxi | Ecuador | -0.90 | -78.85 | 12043 | 2930 |
| Sumita | city | Manabi | Ecuador | -0.24 | -79.44 | 974 | 26608 |
| Sumo | city | El Oro | Ecuador | -3.33 | -79.57 | 2585 | 3555 |
| Suna | city | Azuay | Ecuador | -2.73 | -78.70 | 8494 | 8459 |
| Suncamal | city | Canar | Ecuador | -2.23 | -79.06 | 5095 | 6214 |
| Sundillano | city | Azuay | Ecuador | -3.18 | -79.13 | 9228 | 5926 |
| Sunimon | city | Napo | Ecuador | -0.96 | -77.42 | 1062 | 909 |
| Suno | city | Orellana | Ecuador | -0.70 | -77.14 | 990 | 1009 |
| Supaypungo | city | Guayas | Ecuador | -2.17 | -79.37 | 830 | 12169 |
| Suquianda | city | Loja | Ecuador | -4.37 | -79.80 | 3349 | 3132 |
| Suquinda | city | Loja | Ecuador | -4.37 | -79.80 | 3349 | 3132 |
| Surama | city | Azuay | Ecuador | -3.13 | -79.32 | 11810 | 3309 |
| Surampa | city | Canar | Ecuador | -2.77 | -78.90 | 8809 | 31199 |
| Surik | city | Morona-Santiago | Ecuador | -2.58 | -77.03 | 921 | 0 |
| Suritak | city | Morona-Santiago | Ecuador | -2.55 | -77.20 | 1033 | 0 |
| Surmi | city | Zamora-Chinchipe | Ecuador | -4.10 | -78.67 | 2936 | 891 |
| Surucucho | city | Azuay | Ecuador | -2.84 | -79.12 | 11289 | 7987 |
| Suruma | city | Canar | Ecuador | -2.50 | -78.88 | 11810 | 9042 |
| Susana | city | Guayas | Ecuador | -1.93 | -79.82 | 68 | 9157 |
| Susanita | city | Guayas | Ecuador | -2.00 | -79.97 | 52 | 228648 |
| Susanita | city | Santo Domingo de los Tsachilas | Ecuador | -0.33 | -79.23 | 1669 | 26730 |
| Suscal | city | Canar | Ecuador | -2.44 | -79.05 | 9520 | 4192 |
| Susua | city | Azuay | Ecuador | -2.95 | -79.08 | 9228 | 36788 |
| Susuco | city | Loja | Ecuador | -4.36 | -79.77 | 5029 | 2848 |
| Susudel | city | Azuay | Ecuador | -3.41 | -79.19 | 7129 | 2146 |
| Susufinde | city | Sucumbios | Ecuador | -0.03 | -77.14 | 1683 | 750 |
| Suya | city | Azuay | Ecuador | -2.51 | -79.42 | 830 | 3473 |
| Suya Grande | city | Azuay | Ecuador | -2.51 | -79.42 | 830 | 3473 |