| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Jabonillo | city | Piura | Peru | -4.90 | -80.09 | 2509 | 6246 |
| Jabonillos | city | Piura | Peru | -4.27 | -80.45 | 1056 | 745 |
| Jacanacas | city | Piura | Peru | -5.09 | -79.92 | 3576 | 7450 |
| Jacanacas Hacienda | city | Piura | Peru | -5.09 | -79.92 | 3576 | 7450 |
| Jacocha | city | Piura | Peru | -5.20 | -79.54 | 10190 | 8867 |
| Jacocha Ciudad | city | Piura | Peru | -5.20 | -79.54 | 10190 | 8867 |
| Jaguay Grande | city | Piura | Peru | -4.65 | -80.90 | 1236 | 2935 |
| Jaguay Negro | city | Piura | Peru | -4.53 | -80.15 | 1669 | 482 |
| Jaguay Negro | city | Piura | Peru | -4.42 | -80.50 | 830 | 745 |
| Jaguay de Pavas | city | Piura | Peru | -4.62 | -80.22 | 1669 | 10846 |
| Jaguay de Poechos | city | Piura | Peru | -4.67 | -80.57 | 413 | 12508 |
| Jaguay del Papayo | city | Piura | Peru | -5.45 | -79.95 | 1669 | 1768 |
| Jaguey | city | Piura | Peru | -4.58 | -80.45 | 830 | 1241 |
| Jahuay Negro | city | Piura | Peru | -4.42 | -80.50 | 830 | 745 |
| Jaján | city | Piura | Peru | -5.71 | -79.63 | 7549 | 2533 |
| Jamanga | city | Piura | Peru | -5.37 | -79.43 | 6190 | 5248 |
| Jamanga Ciudad | city | Piura | Peru | -5.37 | -79.43 | 6190 | 5248 |
| Jambur | city | Piura | Peru | -4.62 | -79.97 | 1850 | 4439 |
| Jambur | city | Piura | Peru | -4.60 | -79.97 | 1860 | 4013 |
| Jambur Hacienda | city | Piura | Peru | -4.62 | -79.97 | 1850 | 4439 |
| Japaz | city | Piura | Peru | -4.92 | -79.97 | 5190 | 5531 |
| Jaquay de Poechos | city | Piura | Peru | -4.67 | -80.57 | 413 | 12508 |
| Jardín | city | Piura | Peru | -4.51 | -80.04 | 1669 | 2922 |
| Jerguitas | city | Piura | Peru | -4.54 | -80.54 | 830 | 1267 |
| Jibito | city | Piura | Peru | -4.91 | -80.75 | 190 | 1353 |
| Jibito Hacienda | city | Piura | Peru | -4.91 | -80.75 | 190 | 1353 |
| Jicate | city | Piura | Peru | -5.15 | -79.52 | 10908 | 8750 |
| Jicate Ciudad | city | Piura | Peru | -5.15 | -79.52 | 10908 | 8750 |
| Jilili | city | Piura | Peru | -4.58 | -79.80 | 5869 | 8773 |
| Jilili Ciudad | city | Piura | Peru | -4.58 | -79.80 | 5869 | 8773 |
| Jimaca | city | Piura | Peru | -5.23 | -79.45 | 7549 | 6721 |
| Jocope | city | Piura | Peru | -4.92 | -79.89 | 10068 | 4892 |
| Joras | city | Piura | Peru | -4.53 | -79.65 | 5190 | 447 |
| Joras Ciudad | city | Piura | Peru | -4.53 | -79.65 | 5190 | 447 |
| Jose Carlos Mariategui | city | Piura | Peru | -4.74 | -80.31 | 830 | 5264 |
| Josefita | city | Piura | Peru | -4.88 | -81.00 | 78 | 7242 |
| Josefita Hacienda | city | Piura | Peru | -4.88 | -81.00 | 78 | 7242 |
| Jucal de Roso | city | Piura | Peru | -4.44 | -80.06 | 2808 | 447 |
| Jucal de la Puerta | city | Piura | Peru | -4.42 | -80.05 | 2808 | 447 |
| Juntas | city | Piura | Peru | -4.99 | -79.69 | 6837 | 3298 |
| Juntas | city | Piura | Peru | -5.43 | -79.42 | 7060 | 4734 |
| Juntas Hacienda | city | Piura | Peru | -5.43 | -79.42 | 7060 | 4734 |
| Juzgara | city | Piura | Peru | -5.28 | -79.47 | 6912 | 6689 |
| Juzgara Ciudad | city | Piura | Peru | -5.28 | -79.47 | 6912 | 6689 |