| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ualpen | city | Biobio | Chile | -36.79 | -73.10 | 36 | 172600 |
| Ucuquer | city | Libertador General Bernardo O'Higgins | Chile | -34.07 | -71.68 | 1030 | 1043 |
| Ucuquer | city | Region Metropolitana | Chile | -34.03 | -71.65 | 1043 | 981 |
| Ucún | city | Maule | Chile | -34.76 | -72.04 | 347 | 1264 |
| Uhland | city | Los Lagos | Chile | -41.41 | -73.23 | 3 | 540 |
| Ujina | city | Tarapaca | Chile | -20.97 | -68.62 | 14268 | 0 |
| Ullumalla | city | Tarapaca | Chile | -19.50 | -69.03 | 13428 | 0 |
| Umagata | city | Arica y Parinacota | Chile | -18.57 | -69.78 | 6709 | 447 |
| Umaquilca | city | Arica y Parinacota | Chile | -17.74 | -69.39 | 13736 | 155 |
| Umirpa | city | Arica y Parinacota | Chile | -18.79 | -69.34 | 13428 | 0 |
| Umiña | city | Tarapaca | Chile | -19.50 | -68.72 | 12660 | 0 |
| Uncaliri | city | Arica y Parinacota | Chile | -18.56 | -69.11 | 13438 | 0 |
| Uncaliri Chico | city | Arica y Parinacota | Chile | -18.01 | -69.26 | 14268 | 45 |
| Uncaliri Grande | city | Arica y Parinacota | Chile | -18.01 | -69.26 | 14268 | 45 |
| Uncalliri | city | Arica y Parinacota | Chile | -18.56 | -69.11 | 13438 | 0 |
| Unicaven | city | Maule | Chile | -36.08 | -72.02 | 393 | 667 |
| Unihue | city | Biobio | Chile | -37.12 | -72.94 | 370 | 1907 |
| Upaje | city | Arica y Parinacota | Chile | -18.10 | -69.27 | 15108 | 0 |
| Upeo | city | Maule | Chile | -35.12 | -71.04 | 2778 | 512 |
| Urbano | city | Los Lagos | Chile | -41.15 | -73.01 | 137 | 1609 |
| Uscana | city | Tarapaca | Chile | -19.28 | -68.95 | 14655 | 0 |
| Usiga | city | Tarapaca | Chile | -19.32 | -68.61 | 11912 | 6 |
| Usiga | city | Tarapaca | Chile | -19.33 | -68.61 | 12588 | 1 |
| Usiga Chico | city | Tarapaca | Chile | -19.32 | -68.62 | 12004 | 4 |
| Usmagama | city | Tarapaca | Chile | -19.74 | -69.22 | 10068 | 0 |
| Utalacata | city | Arica y Parinacota | Chile | -18.56 | -69.14 | 13428 | 0 |
| Uva Blanca | city | Libertador General Bernardo O'Higgins | Chile | -34.38 | -71.03 | 830 | 5631 |
| Uva Blanca | city | Libertador General Bernardo O'Higgins | Chile | -34.68 | -71.25 | 830 | 3544 |