| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| IJAMSVILLE | airport | United States | 39.36 | -77.34 | 490 | 0 | |
| IJK (Izhevsk Airport) | airport | 56.83 | 53.46 | 531 | 0 | ||
| IJU (Ijuí Airport) | airport | -28.37 | -53.85 | 1197 | 0 | ||
| IJUI | airport | Brazil | -28.37 | -53.85 | 1197 | 0 | |
| IJerseka | city | Zeeland | Netherlands | 51.50 | 4.05 | 3 | 6714 |
| IJerusalem | city | Israel-Jordan Neutral Zone | 31.77 | 35.23 | 1906 | 190244 | |
| IJhorst | city | Overijssel | Netherlands | 52.66 | 6.29 | 13 | 2158 |
| IJibhuthi | city | Djibouti | Djibouti | 11.60 | 43.15 | 3 | 216263 |
| IJibuthi | city | Djibouti | Djibouti | 11.60 | 43.15 | 3 | 216263 |
| IJkenberg | city | Gelderland | Netherlands | 51.97 | 6.30 | 45 | 60231 |
| IJlst | city | Fryslan | Netherlands | 53.02 | 5.62 | -1689 | 24041 |
| IJmond | city | Noord-Holland | Netherlands | 52.45 | 4.60 | 6 | 81858 |
| IJmuiden | city | Noord-Holland | Netherlands | 52.45 | 4.60 | 6 | 81858 |
| IJohannesburg | city | Gauteng | South Africa | -26.21 | 28.05 | 5869 | 334922 |
| IJpecolsga | city | Fryslan | Netherlands | 52.93 | 5.60 | -1689 | 6448 |
| IJpelaar | city | Noord-Brabant | Netherlands | 51.58 | 4.82 | 16 | 90118 |
| IJpelaarseind | city | Noord-Brabant | Netherlands | 51.58 | 4.81 | 16 | 90118 |
| IJpelo | city | Overijssel | Netherlands | 52.32 | 6.59 | 32 | 30387 |
| IJsberg | city | Vlaanderen | Belgium | 50.83 | 4.22 | 131 | 78727 |
| IJsbrechtum | city | Fryslan | Netherlands | 53.04 | 5.63 | 3 | 25313 |
| IJselham | city | Overijssel | Netherlands | 52.81 | 5.96 | 3 | 12857 |
| IJselmonde | city | Zuid-Holland | Netherlands | 51.90 | 4.55 | -1689 | 197736 |
| IJselmuiden | city | Overijssel | Netherlands | 52.57 | 5.93 | -1689 | 44936 |
| IJselstein | city | Utrecht | Netherlands | 52.02 | 5.02 | 3 | 84476 |
| IJshoute | city | Vlaanderen | Belgium | 50.93 | 3.83 | 177 | 37171 |
| IJshovedries | city | Vlaanderen | Belgium | 50.92 | 3.52 | 150 | 22213 |
| IJskelder | city | Vlaanderen | Belgium | 51.23 | 4.43 | 9 | 173972 |
| IJsselham | city | Overijssel | Netherlands | 52.81 | 5.96 | 3 | 12857 |
| IJssellaan | city | Zuid-Holland | Netherlands | 51.97 | 4.63 | -1689 | 83798 |
| IJsselmonde | city | Zuid-Holland | Netherlands | 51.90 | 4.55 | -1689 | 197736 |
| IJsselmuiden | city | Overijssel | Netherlands | 52.57 | 5.93 | -1689 | 44936 |
| IJsseloord | city | Zuid-Holland | Netherlands | 51.93 | 4.62 | -1689 | 133556 |
| IJsselstein | city | Limburg | Netherlands | 51.49 | 5.90 | 98 | 9445 |
| IJsselstein | city | Utrecht | Netherlands | 52.02 | 5.02 | 3 | 84476 |
| IJsselstein UT | city | Utrecht | Netherlands | 52.02 | 5.02 | 3 | 84476 |
| IJsselsteyn | city | Limburg | Netherlands | 51.49 | 5.90 | 98 | 9445 |
| IJzendijke | city | Zeeland | Netherlands | 51.32 | 3.62 | 6 | 5238 |
| IJzendoorn | city | Gelderland | Netherlands | 51.90 | 5.53 | 19 | 15430 |
| IJzer | city | Vlaanderen | Belgium | 50.80 | 4.55 | 288 | 44988 |
| IJzerdeurhoek | city | Vlaanderen | Belgium | 50.90 | 2.70 | 75 | 11877 |
| IJzeren | city | Limburg | Netherlands | 50.84 | 5.83 | 830 | 28405 |
| IJzerenberg | city | Vlaanderen | Belgium | 50.88 | 4.65 | 239 | 65591 |
| IJzerenbrug | city | Zuid-Holland | Netherlands | 51.84 | 4.18 | -1689 | 41320 |
| IJzerhand | city | Vlaanderen | Belgium | 51.22 | 4.25 | 26 | 27279 |
| IJzerlo | city | Gelderland | Netherlands | 51.89 | 6.54 | 75 | 22733 |
| IJzermieden | city | Fryslan | Netherlands | 53.24 | 6.18 | 3 | 16411 |
| IJzerveld | city | Vlaanderen | Belgium | 50.94 | 5.10 | 78 | 21397 |
| IJzerwinning | city | Vlaanderen | Belgium | 50.94 | 5.10 | 78 | 21397 |
| IJzevoorde | city | Gelderland | Netherlands | 51.97 | 6.36 | 55 | 33320 |