| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Kabugao | city | Province of Ilocos Sur | Philippines | 17.7944444 | 120.4577778 | 42 | 37587 |
| Kacarsil | city | Province of Ilocos Sur | Philippines | 17.8 | 120.4833333 | 82 | 42855 |
| Kakarsi | city | Province of Ilocos Sur | Philippines | 17.8 | 120.4833333 | 82 | 42855 |
| Kalumsing | city | Province of Ilocos Sur | Philippines | 17.2833333 | 120.55 | 656 | 13561 |
| Karkarsi | city | Province of Ilocos Sur | Philippines | 17.8166667 | 120.4833333 | 223 | 42855 |
| Kasar | city | Province of Ilocos Sur | Philippines | 17.8166667 | 120.4833333 | 223 | 42855 |
| Kasili | city | Province of Ilocos Sur | Philippines | 17.6666667 | 120.3833333 | 29 | 29976 |
| Kenmarin | city | Province of Ilocos Sur | Philippines | 17.1 | 120.55 | 1312 | 16929 |
| Kiat | city | Province of Ilocos Sur | Philippines | 16.8833333 | 120.5166667 | 288 | 24676 |
| Kilang | city | Province of Ilocos Sur | Philippines | 17.1833333 | 120.4666667 | 95 | 49346 |
| Kimposa | city | Province of Ilocos Sur | Philippines | 16.9861111 | 120.5175 | 265 | 21221 |
| Kinamantirisan | city | Province of Ilocos Sur | Philippines | 17.6166667 | 120.3833333 | 16 | 82684 |
| Kingking | city | Province of Ilocos Sur | Philippines | 17.1666667 | 120.6833333 | 1295 | 3745 |
| Kinlayan | city | Province of Ilocos Sur | Philippines | 17.6608333 | 120.4516667 | 203 | 54751 |
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