| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Atacames | city | Esmeraldas | Ecuador | 0.87 | -79.85 | 3 | 12040 |
| Atacmes | city | Esmeraldas | Ecuador | 0.87 | -79.85 | 3 | 12040 |
| Atahualpa | city | Cotopaxi | Ecuador | -0.95 | -78.60 | 9353 | 51190 |
| Atahualpa | city | Guayas | Ecuador | -2.31 | -80.77 | 226 | 5193 |
| Atahualpa | city | Tungurahua | Ecuador | -1.22 | -78.61 | 8389 | 181363 |
| Atahualpa | city | Esmeraldas | Ecuador | 0.87 | -78.98 | 331 | 1030 |
| Atahualpa | city | Pichincha | Ecuador | 0.14 | -78.37 | 8389 | 10061 |
| Atahualpa | city | Manabi | Ecuador | -0.03 | -79.97 | 830 | 3196 |
| Atahualpa | city | Santo Domingo de los Tsachilas | Ecuador | -0.18 | -79.23 | 1669 | 27487 |
| Atalpamba | city | Pichincha | Ecuador | -0.08 | -78.32 | 8389 | 22277 |
| Atar | city | Canar | Ecuador | -2.70 | -78.89 | 10068 | 25219 |
| Atenas | city | Pichincha | Ecuador | -0.41 | -78.84 | 5869 | 1095 |
| Atilio | city | Chimborazo | Ecuador | -2.18 | -78.55 | 11843 | 1368 |
| Atillo | city | Chimborazo | Ecuador | -2.18 | -78.55 | 11843 | 1368 |
| Ato de la Virgen | city | Canar | Ecuador | -2.53 | -78.87 | 10908 | 7899 |
| Atobuela | city | Imbabura | Ecuador | 0.38 | -78.20 | 6883 | 30587 |
| Atocha | city | Cotopaxi | Ecuador | -1.07 | -78.72 | 10351 | 6836 |
| Atocha | city | Tungurahua | Ecuador | -1.22 | -78.60 | 8389 | 175164 |
| Atravesado | city | Guayas | Ecuador | -2.28 | -80.69 | 200 | 3684 |
| Atravesado | city | Guayas | Ecuador | -1.90 | -80.75 | 0 | 2297 |
| Atravesao | city | Guayas | Ecuador | -2.28 | -80.69 | 200 | 3684 |
| Atravezao | city | Guayas | Ecuador | -2.28 | -80.69 | 200 | 3684 |
| Atuhuaycu | city | Canar | Ecuador | -2.55 | -78.92 | 10068 | 12309 |
| Atuntaqui | city | Imbabura | Ecuador | 0.33 | -78.21 | 8389 | 44196 |
| Atápulo | city | Cotopaxi | Ecuador | -0.87 | -78.75 | 12588 | 8951 |