| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Iagirua | city | Northern | Papua New Guinea | -9.08 | 149.28 | 6 | 465 |
| Iau | city | Northern | Papua New Guinea | -9.83 | 148.80 | 4337 | 596 |
| Iaudari | city | Northern | Papua New Guinea | -8.37 | 147.85 | 393 | 596 |
| Iaure | city | Northern | Papua New Guinea | -9.30 | 148.16 | 2903 | 596 |
| Iawobo | city | Northern | Papua New Guinea | -9.23 | 148.50 | 849 | 596 |
| Iema | city | Northern | Papua New Guinea | -8.02 | 147.41 | 3349 | 839 |
| Ilamaroro | city | Northern | Papua New Guinea | -9.03 | 149.14 | 206 | 366 |
| Ilamororo | city | Northern | Papua New Guinea | -9.03 | 149.14 | 206 | 366 |
| Ilimo | city | Northern | Papua New Guinea | -8.92 | 147.96 | 885 | 596 |
| Imuruwake | city | Northern | Papua New Guinea | -9.67 | 148.32 | 2929 | 596 |
| Ina | city | Northern | Papua New Guinea | -8.10 | 147.87 | 193 | 596 |
| Inawai | city | Northern | Papua New Guinea | -8.22 | 141.37 | 180 | 149 |
| Inge | city | Northern | Papua New Guinea | -8.93 | 147.95 | 938 | 596 |
| Ingi | city | Northern | Papua New Guinea | -8.93 | 147.95 | 938 | 596 |
| Inonda | city | Northern | Papua New Guinea | -8.82 | 148.30 | 830 | 1343 |
| Inonda | city | Northern | Papua New Guinea | -8.78 | 148.32 | 344 | 2648 |
| Inonda | city | Northern | Papua New Guinea | -8.83 | 148.28 | 830 | 2877 |
| Ioma | city | Northern | Papua New Guinea | -8.36 | 147.83 | 830 | 596 |
| Iongai | city | Northern | Papua New Guinea | -8.53 | 147.47 | 5029 | 596 |
| Iora Creek | city | Northern | Papua New Guinea | -9.02 | 147.73 | 5029 | 596 |
| Isaveni Blocks | city | Northern | Papua New Guinea | -8.75 | 148.13 | 830 | 855 |
| Isaveni Settlement Blocks | city | Northern | Papua New Guinea | -8.75 | 148.13 | 830 | 855 |
| Isoge | city | Northern | Papua New Guinea | -8.37 | 148.07 | 127 | 596 |
| Isurava | city | Northern | Papua New Guinea | -8.98 | 147.72 | 5416 | 596 |
| Isurawa | city | Northern | Papua New Guinea | -8.98 | 147.72 | 5416 | 596 |
| Ititi | city | Northern | Papua New Guinea | -8.58 | 147.88 | 830 | 596 |
| Itogama | city | Northern | Papua New Guinea | -9.20 | 148.26 | 2043 | 596 |
| Itonomata | city | Northern | Papua New Guinea | -9.16 | 149.26 | 16 | 426 |
| Itoto | city | Northern | Papua New Guinea | -9.24 | 149.18 | 209 | 582 |
| Iu-ai-iu | city | Northern | Papua New Guinea | -9.39 | 149.18 | 3 | 346 |
| Iu-ai-u | city | Northern | Papua New Guinea | -9.39 | 149.18 | 3 | 346 |
| Iubadi | city | Northern | Papua New Guinea | -9.18 | 149.28 | 0 | 286 |
| Ivisusu | city | Northern | Papua New Guinea | -8.72 | 148.07 | 830 | 596 |
| Iwai'ia | city | Northern | Papua New Guinea | -8.14 | 148.14 | 0 | 354 |
| Iwaia | city | Northern | Papua New Guinea | -8.14 | 148.14 | 0 | 354 |
| Iwaia Mission | city | Northern | Papua New Guinea | -8.14 | 148.14 | 0 | 354 |
| Iwai’ia | city | Northern | Papua New Guinea | -8.14 | 148.14 | 0 | 354 |
| Iwore | city | Northern | Papua New Guinea | -8.75 | 148.14 | 830 | 1373 |
| Iwori | city | Northern | Papua New Guinea | -8.75 | 148.14 | 830 | 1373 |
| Iwuji | city | Northern | Papua New Guinea | -9.12 | 148.56 | 321 | 593 |