| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Río Abajo | city | Camaguey | Cuba | 21.67 | -78.12 | 173 | 2138 |
| Río Abajo | city | Sancti Spiritus | Cuba | 21.77 | -79.55 | 167 | 3278 |
| Río Abajo | city | Dominican Republic | 19.08 | -69.38 | 0 | 1527 | |
| Río Abajo | city | Valdesia | Dominican Republic | 18.58 | -70.42 | 1843 | 12704 |
| Río Abajo | city | Dominican Republic | 18.62 | -71.62 | 3677 | 4127 | |
| Río Abajo | city | Colon | Honduras | 15.73 | -86.12 | 285 | 4424 |
| Río Abajo | city | Yoro | Honduras | 15.27 | -87.18 | 2007 | 1555 |
| Río Abajo | city | Francisco Morazan | Honduras | 14.17 | -87.22 | 3349 | 123597 |
| Río Abajo | city | Francisco Morazan | Honduras | 14.10 | -87.05 | 4189 | 10794 |
| Río Abajo | city | Francisco Morazan | Honduras | 13.97 | -87.30 | 5029 | 6996 |
| Río Abajo | city | Guanajuato | Mexico | 21.31 | -100.05 | 4560 | 1490 |
| Río Abajo | city | Panama | Panama | 9.02 | -79.50 | 29 | 292367 |
| Río Abajo | city | Los Santos | Panama | 7.57 | -80.52 | 2509 | 2292 |
| Río Abajo | city | Carabobo | Venezuela | 10.48 | -68.29 | 164 | 13860 |
| Río Abajo | city | Carabobo | Venezuela | 9.97 | -67.94 | 1998 | 1496 |
| Río Abajo | city | Sucre | Venezuela | 10.40 | -63.61 | 403 | 2235 |
| Río Abajo | city | Merida | Venezuela | 8.39 | -71.75 | 3349 | 21718 |
| Río Abajo | city | Puerto Rico | United States | 18.15 | -65.80 | 22 | |
| Río Abajo | city | Puerto Rico | United States | 18.42 | -66.39 | 282 | |
| Río Abajo del Memiso | city | Valdesia | Dominican Republic | 18.50 | -70.53 | 1669 | 13098 |
| Río Acarigua | city | Portuguesa | Venezuela | 9.51 | -69.27 | 830 | 43307 |
| Río Aguanaval | city | Coahuila de Zaragoza | Mexico | 26.63 | -103.14 | 3602 | 1043 |
| Río Aguanval | city | Coahuila de Zaragoza | Mexico | 26.61 | -103.13 | 3605 | 1043 |
| Río Alazán | city | Oaxaca | Mexico | 16.86 | -97.30 | 5869 | 1470 |
| Río Aldama | city | Durango | Mexico | 26.26 | -104.03 | 4189 | 298 |
| Río Alegre | city | Oaxaca | Mexico | 17.20 | -94.70 | 295 | 1251 |
| Río Alejandro | city | Colon | Panama | 9.37 | -79.79 | 68 | 32945 |
| Río Aller | city | Asturias | Spain | 43.05 | -5.55 | 4553 | 7114 |
| Río Alumbrado | city | Oaxaca | Mexico | 17.19 | -98.20 | 4265 | 5351 |
| Río Amarillo | city | Copan | Honduras | 14.92 | -88.98 | 2532 | 10236 |
| Río Amarillo | city | Oaxaca | Mexico | 16.32 | -97.35 | 4593 | 3887 |
| Río Ancho | city | Sancti Spiritus | Cuba | 21.78 | -79.53 | 226 | 3278 |
| Río Angara | city | Irkutskaya Oblast' | Russia | 52.39 | 104.23 | 1669 | 258218 |
| Río Anona | city | Oaxaca | Mexico | 16.46 | -96.69 | 5344 | 4009 |
| Río Antón | city | Cocle | Panama | 8.52 | -80.20 | 830 | 6762 |
| Río Arajuno | city | Napo | Ecuador | -1.10 | -77.58 | 1669 | 1665 |
| Río Arcotete | city | Chiapas | Mexico | 16.73 | -92.59 | 7562 | 49292 |
| Río Arriba | city | Quindio | Colombia | 4.63 | -75.52 | 7549 | 1465 |
| Río Arriba | city | Santiago de Cuba | Cuba | 20.25 | -75.48 | 830 | 5947 |
| Río Arriba | city | Santiago de Cuba | Cuba | 20.25 | -75.48 | 830 | 5947 |
| Río Arriba | city | Dominican Republic | 19.05 | -70.62 | 3740 | 16987 | |
| Río Arriba | city | Higuamo | Dominican Republic | 19.02 | -69.33 | 101 | 2676 |
| Río Arriba | city | Dominican Republic | 18.98 | -69.30 | 830 | 3537 | |
| Río Arriba | city | Valdesia | Dominican Republic | 18.48 | -70.13 | 321 | 78959 |
| Río Arriba | city | Valdesia | Dominican Republic | 18.30 | -70.31 | 830 | 30977 |
| Río Arriba | city | Dominican Republic | 18.12 | -71.35 | 4189 | 7150 | |
| Río Arriba | city | Cibao Sur | Dominican Republic | 19.22 | -70.58 | 866 | 42031 |
| Río Arriba | city | Olancho | Honduras | 14.87 | -86.52 | 2762 | 3120 |
| Río Arriba | city | El Paraiso | Honduras | 13.82 | -86.55 | 4324 | 22862 |
| Río Arriba | city | Francisco Morazan | Honduras | 13.78 | -87.47 | 1669 | 9955 |
| Río Arriba | city | Choluteca | Honduras | 13.18 | -87.05 | 849 | 19812 |
| Río Arriba | city | Choluteca | Honduras | 13.51 | -87.24 | 1669 | 11810 |
| Río Arriba | city | Choluteca | Honduras | 13.49 | -87.19 | 1873 | 13697 |
| Río Arriba | city | El Paraiso | Honduras | 13.68 | -87.09 | 2509 | 4173 |
| Río Arriba | city | Chiapas | Mexico | 15.20 | -92.68 | 131 | 7132 |
| Río Arriba | city | Chiapas | Mexico | 15.15 | -92.72 | 16 | 6897 |
| Río Arriba | city | Vargas | Venezuela | 10.44 | -67.20 | 6190 | 24 |
| Río Arriba | city | Cojedes | Venezuela | 9.68 | -68.62 | 830 | 30322 |
| Río Arriba | city | Barinas | Venezuela | 7.94 | -71.06 | 846 | 3223 |
| Río Arriba | city | Tachira | Venezuela | 7.98 | -72.27 | 3349 | 17837 |
| Río Arriba | city | Lara | Venezuela | 9.60 | -69.74 | 4291 | 0 |
| Río Arriba | city | Lara | Venezuela | 9.89 | -70.01 | 3349 | 179 |
| Río Arriba | city | Tachira | Venezuela | 7.98 | -71.88 | 7549 | 1667 |
| Río Arriba | city | Sucre | Venezuela | 10.64 | -62.40 | 830 | 16852 |
| Río Arriba Nueva Esperanza | city | Chiapas | Mexico | 15.20 | -92.67 | 147 | 7245 |
| Río Arriba del Sur | city | Dominican Republic | 18.65 | -71.33 | 2509 | 5397 | |
| Río Azucena | city | Oaxaca | Mexico | 17.38 | -97.86 | 5869 | 4130 |
| Río Azul | city | Cartago | Costa Rica | 9.89 | -84.03 | 4189 | 286930 |
| Río Azul | city | Huehuetenango | Guatemala | 16.05 | -91.30 | 2650 | 6862 |
| Río Azul | city | Huehuetenango | Guatemala | 16.07 | -91.33 | 2509 | 5581 |
| Río Azul | city | El Paraiso | Honduras | 14.05 | -86.72 | 3349 | 3016 |
| Río Azul | city | Huanuco | Peru | -9.17 | -75.92 | 2529 | 2921 |
| Río Azul Maravillas | city | Guanajuato | Mexico | 21.14 | -101.04 | 6709 | 7679 |
| Río Azupizu | city | Pasco | Peru | -10.65 | -74.94 | 1804 | 152 |
| Río Azúcar Airport | airport | 9.42 | -78.63 | 12 | 0 |