| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Dabbac | city | Province of Cagayan | Philippines | 17.8936111 | 121.8852778 | 167 | 10784 |
| Dabganob | city | Province of Cagayan | Philippines | 18.2166667 | 121.75 | 88 | 17117 |
| Dabtac | city | Province of Cagayan | Philippines | 17.8936111 | 121.8852778 | 167 | 10784 |
| Dacal | city | Province of Cagayan | Philippines | 18.5833333 | 121.2333333 | 3 | 9260 |
| Dacal-Lafugu | city | Province of Cagayan | Philippines | 18.2833333 | 121.6833333 | 16 | 24788 |
| Dacal-a-fugu | city | Province of Cagayan | Philippines | 18.2833333 | 121.6833333 | 16 | 24788 |
| Dadao | city | Province of Cagayan | Philippines | 19.2586111 | 121.4955556 | 0 | 2125 |
| Dadap | city | Province of Cagayan | Philippines | 17.8833333 | 121.9127778 | 272 | 10784 |
| Dadda | city | Province of Cagayan | Philippines | 17.8694444 | 121.7494444 | 236 | 22072 |
| Dadda | city | Province of Cagayan | Philippines | 17.8558333 | 121.7552778 | 249 | 19803 |
| Dagao | city | Province of Cagayan | Philippines | 18.4666667 | 121.3 | 164 | 11071 |
| Dagsan | city | Province of Cagayan | Philippines | 18.55 | 121.2 | 262 | 15356 |
| Dagupan | city | Province of Cagayan | Philippines | 17.705 | 121.5113889 | 147 | 28080 |
| Dalagig | city | Province of Cagayan | Philippines | 17.9591667 | 121.7275 | 291 | 18048 |
| Dalaoig | city | Province of Cagayan | Philippines | 17.9275 | 121.7158333 | 226 | 21185 |
| Dalauig | city | Province of Cagayan | Philippines | 17.9275 | 121.7158333 | 226 | 21185 |
| Dalauig | city | Province of Cagayan | Philippines | 17.9591667 | 121.7275 | 291 | 18048 |
| Dalaya | city | Province of Cagayan | Philippines | 18.4 | 121.35 | 160 | 12787 |
| Dalaya | city | Province of Cagayan | Philippines | 18.15 | 121.7666667 | 301 | 7568 |
| Dalaya | city | Province of Cagayan | Philippines | 18.2833333 | 121.7666667 | 13 | 20365 |
| Dalaya | city | Province of Cagayan | Philippines | 18.2677778 | 121.7722222 | 13 | 20365 |
| Dalaya | city | Province of Cagayan | Philippines | 18.2833333 | 121.7833333 | 9 | 20365 |
| Dalaya | city | Province of Cagayan | Philippines | 17.7166667 | 121.9 | 328 | 4260 |
| Dalayap | city | Province of Cagayan | Philippines | 18.4 | 121.35 | 160 | 12787 |
| Dammang | city | Province of Cagayan | Philippines | 18.2833333 | 121.65 | 22 | 23698 |
| Damurog | city | Province of Cagayan | Philippines | 17.8711111 | 121.6655556 | 127 | 16350 |
| Dana-ili | city | Province of Cagayan | Philippines | 18.4183333 | 121.4183333 | 36 | 10904 |
| Dares | city | Province of Cagayan | Philippines | 17.94 | 121.8852778 | 209 | 9934 |
| Dassun | city | Province of Cagayan | Philippines | 17.7 | 121.7166667 | 246 | 49252 |
| Dayun | city | Province of Cagayan | Philippines | 17.8416667 | 121.3277778 | 242 | 3305 |
| Dibalio | city | Province of Cagayan | Philippines | 18.6075 | 121.0983333 | 154 | 14617 |
| Dibay | city | Province of Cagayan | Philippines | 19.3769444 | 121.3991667 | 167 | 1155 |
| Dilam | city | Province of Cagayan | Philippines | 19.3666667 | 121.45 | 492 | 2872 |
| Diora | city | Province of Cagayan | Philippines | 18.4397222 | 122.1341667 | 104 | 3816 |
| Divisoria | city | Province of Cagayan | Philippines | 17.5236111 | 121.7733333 | 150 | 35173 |
| Djora | city | Province of Cagayan | Philippines | 18.4397222 | 122.1341667 | 104 | 3816 |
| Dodan | city | Province of Cagayan | Philippines | 18.3166667 | 121.6666667 | 13 | 22522 |
| Dodan | city | Province of Cagayan | Philippines | 18.35 | 121.6666667 | 6 | 11360 |
| Dodan | city | Province of Cagayan | Philippines | 18.3375 | 121.7027778 | 9 | 11360 |
| Dodan | city | Province of Cagayan | Philippines | 17.6422222 | 121.8027778 | 262 | 23426 |
| Dodon | city | Province of Cagayan | Philippines | 18.3375 | 121.7027778 | 9 | 11360 |
| Dublon | city | Province of Cagayan | Philippines | 17.9166667 | 121.7166667 | 108 | 21185 |
| Ducan | city | Province of Cagayan | Philippines | 18.3313889 | 121.5833333 | 29 | 23247 |
| Dugayang | city | Province of Cagayan | Philippines | 17.8630556 | 121.6922222 | 88 | 21937 |
| Dugayung | city | Province of Cagayan | Philippines | 17.8630556 | 121.6922222 | 88 | 21937 |
| Duggil | city | Province of Cagayan | Philippines | 18.2166667 | 121.7333333 | 85 | 16961 |
| Dugo | city | Province of Cagayan | Philippines | 18.2594444 | 121.6861111 | 19 | 24788 |
| Duminit | city | Province of Cagayan | Philippines | 17.9333333 | 121.7666667 | 252 | 15655 |
| Dummun | city | Province of Cagayan | Philippines | 18.0322222 | 121.6869444 | 118 | 14872 |
| Dumpao | city | Province of Cagayan | Philippines | 17.7386111 | 121.7427778 | 269 | 38097 |
| Dungao | city | Province of Cagayan | Philippines | 17.96 | 121.6186111 | 203 | 9091 |
| Dungao | city | Province of Cagayan | Philippines | 17.8333333 | 121.65 | 150 | 18472 |
| Dungon | city | Province of Cagayan | Philippines | 17.8166667 | 121.4333333 | 75 | 11079 |
| Duyun | city | Province of Cagayan | Philippines | 17.8416667 | 121.3277778 | 242 | 3305 |
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