| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Puerto Iba-pobó | city | San Pedro | Paraguay | -23.65 | -57.39 | 141 | 717 |
| Puerto Ibañez | city | Santa Cruz | Bolivia | -17.65 | -62.75 | 830 | 541 |
| Puerto Ibicuy | city | Entre Rios | Argentina | -33.73 | -59.18 | 13 | 1314 |
| Puerto Iglesias | city | Puntarenas | Costa Rica | 10.13 | -85.02 | 88 | 3590 |
| Puerto Iguasu | city | Misiones | Argentina | -25.61 | -54.58 | 830 | 73248 |
| Puerto Iguazu | city | Misiones | Argentina | -25.61 | -54.58 | 830 | 73248 |
| Puerto Igvasu | city | Misiones | Argentina | -25.61 | -54.58 | 830 | 73248 |
| Puerto Ila | city | Pichincha | Ecuador | -0.55 | -79.37 | 830 | 11581 |
| Puerto Inca | city | Ucayali | Peru | -10.73 | -73.40 | 961 | 149 |
| Puerto Inca | city | Huanuco | Peru | -9.38 | -74.97 | 830 | 850 |
| Puerto Inca Airport | airport | -9.38 | -74.97 | 583 | 0 | ||
| Puerto Indio | city | Alto Parana | Paraguay | -24.88 | -54.43 | 830 | 512 |
| Puerto Indio | city | Embera-Wounaan | Panama | 8.02 | -78.21 | 22 | 252 |
| Puerto Infante | city | Arauca | Colombia | 6.30 | -70.38 | 328 | 0 |
| Puerto Infante | city | Vichada | Colombia | 5.64 | -70.11 | 328 | 98 |
| Puerto Infante | city | Casanare | Colombia | 5.71 | -71.01 | 393 | 149 |
| Puerto Infante | city | Casanare | Colombia | 5.88 | -71.81 | 830 | 4173 |
| Puerto Infante | city | Apure | Venezuela | 7.02 | -70.08 | 331 | 318 |
| Puerto Ingeniero Ibanez | city | Aysen | Chile | -46.29 | -71.94 | 830 | 0 |
| Puerto Ingeniero Ibañez Airport | airport | -46.29 | -71.95 | 820 | 0 | ||
| Puerto Ingeniero Morandi | city | Misiones | Argentina | -26.91 | -55.14 | 830 | 1995 |
| Puerto Ingeniero White | city | Buenos Aires | Argentina | -38.78 | -62.27 | 19 | 35349 |
| Puerto Inglés | city | La Guajira | Colombia | 11.98 | -71.19 | 0 | 660 |
| Puerto Inmaculada | city | Amazonas | Colombia | -1.53 | -73.47 | 390 | 0 |
| Puerto Inmarco | city | Antioquia | Colombia | 6.22 | -74.58 | 357 | 6471 |
| Puerto Inmuncha | city | Michoacan de Ocampo | Mexico | 19.08 | -101.07 | 3349 | 1401 |
| Puerto Inuya | city | Ucayali | Peru | -10.68 | -73.48 | 987 | 149 |
| Puerto Inírida | city | Guainia | Colombia | 3.87 | -67.92 | 272 | 17005 |
| Puerto Ipoqui | city | Junin | Peru | -11.01 | -74.77 | 1669 | 3130 |
| Puerto Iradier | city | Equatorial Guinea | 1.08 | 9.69 | 98 | 1206 | |
| Puerto Irala | city | Alto Parana | Paraguay | -25.90 | -54.72 | 830 | 2081 |
| Puerto Iribo | city | Itapua | Paraguay | -27.37 | -55.68 | 187 | 2256 |
| Puerto Irigoyen | city | Misiones | Argentina | -26.11 | -54.63 | 830 | 393 |
| Puerto Irigoyen | city | Formosa | Argentina | -23.22 | -61.73 | 830 | 0 |
| Puerto Iris | city | Meta | Colombia | 2.71 | -72.78 | 987 | 1248 |
| Puerto Isaacs | city | Valle del Cauca | Colombia | 3.57 | -76.49 | 2509 | 69030 |
| Puerto Isabel | city | Santa Cruz | Bolivia | -18.18 | -57.62 | 830 | 0 |
| Puerto Isabel | city | Bolivar | Colombia | 8.63 | -74.52 | 78 | 2682 |
| Puerto Isabel | city | Atlantico Norte | Nicaragua | 13.36 | -83.57 | 0 | 59 |
| Puerto Isango Pampa | city | Loreto | Peru | -3.63 | -72.26 | 331 | 277 |
| Puerto Isangopamba | city | Loreto | Peru | -3.63 | -72.26 | 331 | 277 |
| Puerto Isau | city | Caaguazu | Paraguay | -24.30 | -55.15 | 830 | 1279 |
| Puerto Isaác | city | Valle del Cauca | Colombia | 3.57 | -76.49 | 2509 | 69030 |
| Puerto Isla Verde | city | Guayas | Ecuador | -2.65 | -79.93 | 0 | 1402 |
| Puerto Islitas | city | Antioquia | Colombia | 6.21 | -74.62 | 830 | 4626 |
| Puerto Ita | city | Neembucu | Paraguay | -27.22 | -58.32 | 150 | 754 |
| Puerto Itacora | city | Parana | Brazil | -25.12 | -54.43 | 830 | 565 |
| Puerto Itacora | city | Neembucu | Paraguay | -27.25 | -58.15 | 150 | 1283 |
| Puerto Italia | city | Itapua | Paraguay | -26.98 | -55.45 | 830 | 2276 |
| Puerto Itambey | city | Alto Parana | Paraguay | -24.68 | -54.35 | 830 | 248 |
| Puerto Itapucu Airport | airport | -22.68 | -57.91 | 269 | 0 | ||
| Puerto Itapucu Mi | city | Concepcion | Paraguay | -22.75 | -57.87 | 252 | 350 |
| Puerto Itziapo | city | Michoacan de Ocampo | Mexico | 19.46 | -100.52 | 5029 | 9203 |
| Puerto Izango | city | Loreto | Peru | -3.29 | -71.99 | 328 | 149 |
| Puerto Izangopampa | city | Loreto | Peru | -3.63 | -72.26 | 331 | 277 |
| Puerto Izozo | city | Santa Cruz | Bolivia | -18.32 | -62.92 | 1007 | 149 |
| Puerto Izozog | city | Santa Cruz | Bolivia | -18.32 | -62.92 | 1007 | 149 |
| Puerto Iztapa | city | Escuintla | Guatemala | 13.93 | -90.71 | 6 | 7436 |