| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Iagemachi | city | Kumamoto | Japan | 32.53 | 130.59 | 75 | 59312 |
| Ibitsu | city | Kumamoto | Japan | 32.57 | 130.79 | 830 | 6241 |
| Ibushi | city | Kumamoto | Japan | 32.67 | 130.60 | 830 | 32928 |
| Ichibangumi | city | Kumamoto | Japan | 32.53 | 130.64 | 134 | 78216 |
| Ichibu | city | Kumamoto | Japan | 32.20 | 130.84 | 830 | 17302 |
| Ichigi | city | Kumamoto | Japan | 32.32 | 130.98 | 948 | 6854 |
| Ichiibaru | city | Kumamoto | Japan | 32.33 | 130.59 | 328 | 6811 |
| Ichikumi | city | Kumamoto | Japan | 32.57 | 130.62 | 62 | 56778 |
| Ichimaru | city | Kumamoto | Japan | 32.25 | 130.77 | 830 | 7141 |
| Ichimaru | city | Kumamoto | Japan | 32.20 | 130.79 | 830 | 11752 |
| Ichinomata | city | Kumamoto | Japan | 32.35 | 130.68 | 2509 | 1965 |
| Ichinomiyamachi-sakanashi | city | Kumamoto | Japan | 32.93 | 131.13 | 1925 | 8588 |
| Ichinose | city | Kumamoto | Japan | 32.28 | 130.57 | 892 | 7886 |
| Ichirigi | city | Kumamoto | Japan | 32.63 | 130.70 | 216 | 55471 |
| Ichirigimachi | city | Kumamoto | Japan | 32.68 | 130.66 | 173 | 81800 |
| Ichiwatase | city | Kumamoto | Japan | 32.22 | 130.50 | 830 | 10594 |
| Ichiwataze | city | Kumamoto | Japan | 32.51 | 130.89 | 2509 | 1138 |
| Ichizeki | city | Kumamoto | Japan | 32.83 | 131.06 | 1669 | 7842 |
| Ideguchi | city | Kumamoto | Japan | 32.58 | 130.70 | 131 | 46864 |
| Ideguchi | city | Kumamoto | Japan | 32.82 | 131.06 | 1669 | 6786 |
| Idenokuchi | city | Kumamoto | Japan | 32.83 | 130.93 | 1669 | 13064 |
| Idenokuchi | city | Kumamoto | Japan | 32.25 | 130.76 | 830 | 6425 |
| Idenokuchi | city | Kumamoto | Japan | 32.25 | 130.74 | 830 | 5872 |
| Ideshita | city | Kumamoto | Japan | 32.82 | 131.04 | 1669 | 7416 |
| Idoe | city | Kumamoto | Japan | 32.65 | 130.84 | 328 | 16562 |
| Iguchi | city | Kumamoto | Japan | 32.85 | 130.81 | 164 | 129898 |
| Iiboshi | city | Kumamoto | Japan | 32.45 | 130.79 | 2509 | 537 |
| Iida | city | Kumamoto | Japan | 32.75 | 130.81 | 324 | 68476 |
| Iizuka | city | Kumamoto | Japan | 32.68 | 130.63 | 830 | 82877 |
| Ikenoshimo | city | Kumamoto | Japan | 32.25 | 130.64 | 328 | 2752 |
| Ikenotsuru | city | Kumamoto | Japan | 32.40 | 130.82 | 984 | 1136 |
| Imadera | city | Kumamoto | Japan | 32.54 | 130.68 | 830 | 53247 |
| Imai | city | Kumamoto | Japan | 32.23 | 130.90 | 830 | 18222 |
| Imamura | city | Kumamoto | Japan | 32.23 | 130.70 | 328 | 5120 |
| Imamura | city | Kumamoto | Japan | 32.36 | 130.55 | 1148 | 15579 |
| Imamura | city | Kumamoto | Japan | 32.37 | 130.75 | 2509 | 1489 |
| Imamura | city | Kumamoto | Japan | 32.26 | 130.90 | 830 | 17044 |
| Imashinchi | city | Kumamoto | Japan | 32.63 | 130.69 | 121 | 57778 |
| Imayama | city | Kumamoto | Japan | 32.19 | 130.82 | 830 | 14573 |
| Imutamachi | city | Kumamoto | Japan | 32.67 | 130.66 | 223 | 69665 |
| Inago | city | Kumamoto | Japan | 32.57 | 130.71 | 157 | 37268 |
| Ineri | city | Kumamoto | Japan | 32.43 | 130.70 | 974 | 1400 |
| Inokuchimachi | city | Kumamoto | Japan | 32.25 | 130.75 | 830 | 5872 |
| Inoue | city | Kumamoto | Japan | 32.21 | 130.90 | 830 | 16845 |
| Inouemachi | city | Kumamoto | Japan | 32.52 | 130.63 | 150 | 83459 |
| Inuyama | city | Kumamoto | Japan | 32.55 | 130.77 | 1049 | 7321 |
| Ioji | city | Kumamoto | Japan | 32.82 | 130.91 | 1669 | 15248 |
| Ippongi | city | Kumamoto | Japan | 32.16 | 130.52 | 1204 | 5979 |
| Irichimachi | city | Kumamoto | Japan | 32.68 | 130.66 | 239 | 81170 |
| Irie | city | Kumamoto | Japan | 32.65 | 130.85 | 830 | 16562 |
| Irikamo | city | Kumamoto | Japan | 32.42 | 130.89 | 2624 | 635 |
| Isemoto | city | Kumamoto | Japan | 32.25 | 130.93 | 830 | 17131 |
| Ishibaru | city | Kumamoto | Japan | 32.83 | 130.78 | 200 | 201997 |
| Ishibashimachi | city | Kumamoto | Japan | 32.68 | 130.64 | 288 | 80365 |
| Ishigami | city | Kumamoto | Japan | 32.58 | 130.76 | 830 | 16239 |
| Ishihara | city | Kumamoto | Japan | 32.83 | 130.78 | 200 | 201997 |
| Ishimabushi | city | Kumamoto | Japan | 32.21 | 130.53 | 1669 | 8380 |
| Ishimaru | city | Kumamoto | Japan | 32.40 | 130.62 | 984 | 11536 |
| Ishitobi | city | Kumamoto | Japan | 32.14 | 130.50 | 1669 | 5048 |
| Ishiuchi | city | Kumamoto | Japan | 32.64 | 130.51 | 324 | 9513 |
| Ishizaka | city | Kumamoto | Japan | 32.22 | 130.91 | 830 | 17231 |
| Ishizaka | city | Kumamoto | Japan | 32.26 | 130.90 | 830 | 17510 |
| Issaidori | city | Kumamoto | Japan | 32.56 | 130.66 | 124 | 62657 |
| IsshÅchi | city | Kumamoto | Japan | 32.24 | 130.64 | 413 | 2739 |
| Itagi | city | Kumamoto | Japan | 32.39 | 130.84 | 1026 | 1301 |
| Itagi | city | Kumamoto | Japan | 32.49 | 130.88 | 2509 | 969 |
| Itagi | city | Kumamoto | Japan | 32.34 | 130.98 | 1669 | 4496 |
| Itakase | city | Kumamoto | Japan | 32.33 | 130.60 | 328 | 6120 |
| Itamochi | city | Kumamoto | Japan | 32.40 | 130.61 | 830 | 12072 |
| Itaneri | city | Kumamoto | Japan | 32.39 | 130.58 | 830 | 17583 |
| Itanohira | city | Kumamoto | Japan | 32.46 | 130.68 | 846 | 22664 |
| Itaya | city | Kumamoto | Japan | 32.52 | 130.68 | 843 | 53709 |
| Itenokuchi | city | Kumamoto | Japan | 32.20 | 130.81 | 830 | 14005 |
| Itobaru | city | Kumamoto | Japan | 32.56 | 130.82 | 1968 | 2916 |
| Itoda | city | Kumamoto | Japan | 32.68 | 130.80 | 206 | 33470 |
| Itohara | city | Kumamoto | Japan | 32.26 | 130.70 | 931 | 4236 |
| Itsukamachi | city | Kumamoto | Japan | 32.21 | 130.76 | 364 | 8735 |
| Itsuki | city | Kumamoto | Japan | 32.40 | 130.83 | 2509 | 895 |
| Itsuno | city | Kumamoto | Japan | 32.69 | 130.63 | 164 | 95088 |
| Iwagano | city | Kumamoto | Japan | 32.26 | 130.78 | 830 | 7755 |
| Iwagochi | city | Kumamoto | Japan | 32.28 | 130.92 | 830 | 13990 |
| Iwaguma | city | Kumamoto | Japan | 32.69 | 130.68 | 193 | 106880 |
| Iwaigawachi | city | Kumamoto | Japan | 32.35 | 130.59 | 830 | 11242 |
| Iwaiguchi | city | Kumamoto | Japan | 32.15 | 130.53 | 1669 | 5261 |
| Iwaizaka | city | Kumamoto | Japan | 32.27 | 130.56 | 892 | 8241 |
| Iwajo | city | Kumamoto | Japan | 32.23 | 130.85 | 830 | 17776 |
| Iwakosomachi | city | Kumamoto | Japan | 32.69 | 130.69 | 193 | 85001 |
| Iwano | city | Kumamoto | Japan | 32.35 | 130.97 | 1853 | 2544 |
| Iwaoku | city | Kumamoto | Japan | 32.54 | 130.85 | 2509 | 2168 |
| Iwashita | city | Kumamoto | Japan | 32.65 | 130.81 | 262 | 22474 |
| Iwaya | city | Kumamoto | Japan | 32.62 | 130.45 | 0 | 16064 |
| Iwayagawachi | city | Kumamoto | Japan | 32.36 | 130.52 | 383 | 12433 |
| Izawa | city | Kumamoto | Japan | 32.21 | 130.81 | 393 | 13401 |
| Izumi | city | Kumamoto | Japan | 32.13 | 130.77 | 1788 | 10804 |
| Izumimachi-hagi | city | Kumamoto | Japan | 32.54 | 130.94 | 2900 | 1678 |
| Izumimachi-kakizako | city | Kumamoto | Japan | 32.55 | 130.81 | 925 | 2223 |
| Izumimachi-kakizako | city | Kumamoto | Japan | 32.49 | 130.88 | 2509 | 1012 |
| Izumimachi-kureko | city | Kumamoto | Japan | 32.46 | 130.92 | 2713 | 988 |
| Izumimachi-kurigi | city | Kumamoto | Japan | 32.54 | 130.81 | 1669 | 1796 |
| Izumimachi-momigi | city | Kumamoto | Japan | 32.50 | 130.97 | 3608 | 1155 |
| Izumimachi-nitao | city | Kumamoto | Japan | 32.54 | 130.91 | 4189 | 2360 |
| Izumimachi-shimodake | city | Kumamoto | Japan | 32.57 | 130.78 | 830 | 6278 |
| Izuruha | city | Kumamoto | Japan | 32.44 | 130.77 | 2509 | 610 |