| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Ichikaichi | city | Iwate-ken | Japan | 40.1166667 | 141.05 | 964 | 10666 |
| Ichinobe | city | Iwate-ken | Japan | 40.2069444 | 141.3016667 | 547 | 10652 |
| Ichinohe | city | Iwate-ken | Japan | 40.2069444 | 141.3016667 | 547 | 10652 |
| Ichinoseki | city | Iwate-ken | Japan | 38.9166667 | 141.1333333 | 291 | 11066 |
| Ide | city | Iwate-ken | Japan | 39.1833333 | 141.3 | 656 | 10806 |
| Imaizumi | city | Iwate-ken | Japan | 39.0166667 | 141.6166667 | 39 | 13809 |
| Ishibane | city | Iwate-ken | Japan | 39.3 | 140.95 | 620 | 10787 |
| Ishihama | city | Iwate-ken | Japan | 39.0166667 | 141.7 | 374 | 8673 |
| Ishihama | city | Iwate-ken | Japan | 39.5166667 | 142.0333333 | 0 | 7039 |
| Ishipane | city | Iwate-ken | Japan | 39.3 | 140.95 | 620 | 10787 |
| Ite | city | Iwate-ken | Japan | 39.1833333 | 141.3 | 656 | 10806 |
| Itinohe | city | Iwate-ken | Japan | 40.2069444 | 141.3016667 | 547 | 10652 |
| Itinoseki | city | Iwate-ken | Japan | 38.9166667 | 141.1333333 | 291 | 11066 |
| Itschinohe | city | Iwate-ken | Japan | 40.2069444 | 141.3016667 | 547 | 10652 |
| Itschinoseki | city | Iwate-ken | Japan | 38.9166667 | 141.1333333 | 291 | 11066 |
| Itsukaichi | city | Iwate-ken | Japan | 40.1166667 | 141.05 | 964 | 10666 |
| Itsukushi | city | Iwate-ken | Japan | 38.9333333 | 141.05 | 328 | 11424 |
| Iwaizumi | city | Iwate-ken | Japan | 39.85 | 141.8 | 328 | 10703 |
| Iwayado | city | Iwate-ken | Japan | 39.1833333 | 141.1833333 | 196 | 10806 |
| Iwayadō | city | Iwate-ken | Japan | 39.1833333 | 141.1833333 | 196 | 10806 |
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