| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ubillús | city | Pichincha | Ecuador | -0.42 | -78.38 | 10104 | 10530 |
| Ucano | city | Sucumbios | Ecuador | 0.16 | -76.55 | 1066 | 20 |
| Uchucay | city | Loja | Ecuador | -3.36 | -79.36 | 4189 | 3006 |
| Uchuguaico | city | Azuay | Ecuador | -2.78 | -78.73 | 9228 | 16086 |
| Uchupucún | city | Canar | Ecuador | -2.73 | -78.83 | 10068 | 51466 |
| Ucubamba | city | Azuay | Ecuador | -2.87 | -78.93 | 8389 | 107733 |
| Uculoma | city | Canar | Ecuador | -2.57 | -78.93 | 10908 | 11507 |
| Ucumarina | city | Azuay | Ecuador | -2.67 | -78.63 | 7824 | 5795 |
| Udusha | city | Loja | Ecuador | -3.46 | -79.38 | 8389 | 2478 |
| Udushapa | city | Azuay | Ecuador | -3.42 | -79.13 | 7818 | 2600 |
| Ugshacorral | city | Loja | Ecuador | -3.57 | -79.33 | 7604 | 3742 |
| Ugshapamba | city | Chimborazo | Ecuador | -1.71 | -78.73 | 11095 | 48387 |
| Uimbí | city | Esmeraldas | Ecuador | 0.95 | -78.78 | 856 | 512 |
| Ulba | city | Tungurahua | Ecuador | -1.40 | -78.40 | 12814 | 8830 |
| Ulchayacu Grande | city | Azuay | Ecuador | -2.98 | -79.03 | 9228 | 29968 |
| Ulvilla | city | Tungurahua | Ecuador | -1.40 | -78.40 | 13428 | 10474 |
| Umbalá | city | Pichincha | Ecuador | -0.56 | -78.63 | 10908 | 987 |
| Umbaqui | city | Sucumbios | Ecuador | 0.18 | -77.47 | 2532 | 208 |
| Una de Gato | city | Loja | Ecuador | -4.10 | -79.53 | 4189 | 3025 |
| Unagua | city | Pichincha | Ecuador | -0.53 | -78.57 | 10068 | 16639 |
| Unamuncho | city | Tungurahua | Ecuador | -1.17 | -78.60 | 8717 | 43932 |
| Undo Mangosiza | city | Morona-Santiago | Ecuador | -2.60 | -77.78 | 1669 | 149 |
| Union | city | Canar | Ecuador | -2.82 | -78.89 | 8389 | 35033 |
| Union | city | Guayas | Ecuador | -2.25 | -79.83 | 16 | 58439 |
| Union Bolivarense | city | Pichincha | Ecuador | -0.08 | -79.07 | 2509 | 2866 |
| Union Civica Popular | city | Santo Domingo de los Tsachilas | Ecuador | -0.28 | -79.20 | 1669 | 66939 |
| Union Colombiana | city | El Oro | Ecuador | -3.29 | -79.89 | 262 | 42021 |
| Union Lojana | city | Santo Domingo de los Tsachilas | Ecuador | -0.61 | -79.21 | 2509 | 9728 |
| Union Oriental | city | Sucumbios | Ecuador | 0.02 | -76.86 | 1079 | 10767 |
| Union Setenta y Uno | city | Los Rios | Ecuador | -0.56 | -79.48 | 830 | 4631 |
| Unión | city | Los Rios | Ecuador | -1.65 | -79.52 | 830 | 13633 |
| Unión Toachi | city | Los Rios | Ecuador | -0.70 | -79.29 | 938 | 7366 |
| Unión y Progreso | city | Sucumbios | Ecuador | 0.08 | -76.89 | 1669 | 22795 |
| Unión y Progreso | city | Esmeraldas | Ecuador | 0.29 | -79.31 | 830 | 3716 |
| Urapamba | city | Pichincha | Ecuador | -0.08 | -78.32 | 8389 | 22277 |
| Uraucu | city | Pichincha | Ecuador | -0.23 | -78.63 | 9507 | 10630 |
| Uravía | city | Pichincha | Ecuador | -0.10 | -78.33 | 7952 | 23674 |
| Urbanización | city | Guayas | Ecuador | -2.23 | -79.90 | 3 | 175577 |
| Urbanización | city | Guayas | Ecuador | -2.20 | -79.83 | 13 | 57180 |
| Urbanización Brisas de Santay | city | Guayas | Ecuador | -2.20 | -79.83 | 13 | 57180 |
| Urbanización C. del Seguro | city | Guayas | Ecuador | -2.23 | -79.90 | 3 | 175577 |
| Urbina | city | Chimborazo | Ecuador | -1.50 | -78.73 | 11748 | 4716 |
| Urbina | city | Esmeraldas | Ecuador | 1.04 | -78.77 | 830 | 1376 |
| Urbina | city | Carchi | Ecuador | 0.81 | -77.68 | 9471 | 43593 |
| Urbina | city | Tungurahua | Ecuador | -1.15 | -78.54 | 10068 | 29310 |
| Urbina | city | Esmeraldas | Ecuador | 1.04 | -78.77 | 830 | 1376 |
| Urcuchagra | city | Azuay | Ecuador | -2.81 | -78.65 | 9465 | 4959 |
| Urcuhacienda | city | Pichincha | Ecuador | 0.07 | -78.32 | 10068 | 5963 |
| Urcuqui | city | Imbabura | Ecuador | 0.42 | -78.19 | 6955 | 10394 |
| Urcusique | city | Napo | Ecuador | -0.65 | -77.82 | 5282 | 401 |
| Urcusiqui | city | Napo | Ecuador | -0.65 | -77.82 | 5282 | 401 |
| Urcusiqui | city | Imbabura | Ecuador | 0.30 | -78.39 | 10908 | 2796 |
| Urcutambo | city | Pichincha | Ecuador | 0.19 | -78.72 | 3349 | 3033 |
| Urdaneta | city | Loja | Ecuador | -3.60 | -79.21 | 8480 | 2239 |
| Urdaneta | city | Los Rios | Ecuador | -1.58 | -79.46 | 830 | 12653 |
| Urichisinga | city | Loja | Ecuador | -4.10 | -79.23 | 8389 | 17939 |
| Urvina | city | Carchi | Ecuador | 0.81 | -77.68 | 9471 | 43593 |
| Usaime | city | Loja | Ecuador | -4.46 | -79.54 | 5984 | 6905 |
| Ushcurumi | city | Azuay | Ecuador | -2.88 | -78.93 | 8389 | 109828 |
| Ushpud | city | Azuay | Ecuador | -2.83 | -78.77 | 9458 | 26116 |
| Uspud | city | Azuay | Ecuador | -2.85 | -78.75 | 10344 | 23630 |
| Usunga | city | Loja | Ecuador | -4.08 | -79.68 | 5869 | 4107 |
| Utawalu | city | Imbabura | Ecuador | 0.23 | -78.26 | 8530 | 44895 |
| Utuana | city | Loja | Ecuador | -4.36 | -79.71 | 6847 | 3028 |
| Uyachuli | city | Pichincha | Ecuador | -0.08 | -78.50 | 9228 | 377978 |
| Uzhai | city | Azuay | Ecuador | -2.93 | -78.80 | 8389 | 31704 |
| Uzhca Cruz | city | Azuay | Ecuador | -3.00 | -79.17 | 10908 | 4024 |