| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| IJlst | city | Provincie Friesland | Netherlands | 53.0166667 | 5.6166667 | -3 | 18239 |
| IJpecolsga | city | Provincie Friesland | Netherlands | 52.9333333 | 5.6 | -3 | 8404 |
| IJsbrechtum | city | Provincie Friesland | Netherlands | 53.05 | 5.6333333 | 3 | 24212 |
| Idaard | city | Provincie Friesland | Netherlands | 53.1166667 | 5.8 | 3 | 23369 |
| Idsega | city | Provincie Friesland | Netherlands | 52.9833333 | 5.55 | -3 | 8606 |
| Idsegahuizen | city | Provincie Friesland | Netherlands | 53.05 | 5.4166667 | -3 | 6277 |
| Idsegahuizum | city | Provincie Friesland | Netherlands | 53.05 | 5.4166667 | -3 | 6277 |
| Idserdaburen | city | Provincie Friesland | Netherlands | 53 | 5.4833333 | -6 | 7965 |
| Idskenhuizen | city | Provincie Friesland | Netherlands | 52.9333333 | 5.7166667 | 3 | 10654 |
| Idzega | city | Provincie Friesland | Netherlands | 52.9833333 | 5.55 | -3 | 8606 |
| Indijk | city | Provincie Friesland | Netherlands | 52.95 | 5.6 | -3 | 8404 |
| Indijk | city | Provincie Friesland | Netherlands | 53.1 | 5.7 | 3 | 12386 |
| Iniaheide | city | Provincie Friesland | Netherlands | 53.15 | 6 | 3 | 27537 |
| Irnsum | city | Provincie Friesland | Netherlands | 53.0833333 | 5.8 | 3 | 10233 |
| Itens | city | Provincie Friesland | Netherlands | 53.1 | 5.65 | 3 | 12291 |
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