| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Dabburab | city | Province of Isabela | Philippines | 16.9066667 | 121.8130556 | 131 | 37443 |
| Dabburab Centro | city | Province of Isabela | Philippines | 16.9066667 | 121.8130556 | 131 | 37443 |
| Dabburab Punta | city | Province of Isabela | Philippines | 16.9333333 | 121.7666667 | 157 | 42233 |
| Dabubu | city | Province of Isabela | Philippines | 16.4475 | 121.7775 | 538 | 5547 |
| Daddap | city | Province of Isabela | Philippines | 16.7397222 | 121.7383333 | 160 | 29214 |
| Dagupan | city | Province of Isabela | Philippines | 16.8694444 | 121.5691667 | 259 | 32359 |
| Dalakip | city | Province of Isabela | Philippines | 16.795 | 121.7233333 | 177 | 45517 |
| Dalena | city | Province of Isabela | Philippines | 17.4666667 | 121.8691667 | 367 | 16966 |
| Dalenat | city | Province of Isabela | Philippines | 16.735 | 121.7186111 | 173 | 29214 |
| Dali Podan | city | Province of Isabela | Philippines | 16.7213889 | 121.635 | 200 | 45681 |
| Dalibubun | city | Province of Isabela | Philippines | 16.6038889 | 121.6811111 | 295 | 15702 |
| Dalig | city | Province of Isabela | Philippines | 17.0358333 | 121.7205556 | 160 | 36525 |
| Dalig Cristiano | city | Province of Isabela | Philippines | 17.0166667 | 121.7 | 157 | 40215 |
| Dalig Kalinga | city | Province of Isabela | Philippines | 17.0166667 | 121.7 | 157 | 40215 |
| Daligan | city | Province of Isabela | Philippines | 16.5419444 | 121.7341667 | 298 | 13515 |
| Dallag | city | Province of Isabela | Philippines | 17.4211111 | 121.7244444 | 173 | 25202 |
| Dalligan | city | Province of Isabela | Philippines | 16.5419444 | 121.7341667 | 298 | 13515 |
| Dalupang | city | Province of Isabela | Philippines | 17.5058333 | 121.8830556 | 360 | 11912 |
| Damang | city | Province of Isabela | Philippines | 16.6913889 | 121.6738889 | 219 | 23666 |
| Damao | city | Province of Isabela | Philippines | 17.0783333 | 121.8158333 | 160 | 34676 |
| Dammang | city | Province of Isabela | Philippines | 16.6666667 | 121.6 | 298 | 47285 |
| Dammang | city | Province of Isabela | Philippines | 16.6913889 | 121.6738889 | 219 | 23666 |
| Dapdap | city | Province of Isabela | Philippines | 16.9561111 | 121.7319444 | 173 | 46313 |
| Dappig | city | Province of Isabela | Philippines | 16.4447222 | 121.7336111 | 393 | 7519 |
| Dapping | city | Province of Isabela | Philippines | 16.4447222 | 121.7336111 | 393 | 7519 |
| Daragutan | city | Province of Isabela | Philippines | 17 | 122.0333333 | 305 | 11761 |
| Daramuangan | city | Province of Isabela | Philippines | 16.9 | 121.5833333 | 249 | 19095 |
| Daramuangan | city | Province of Isabela | Philippines | 16.8944444 | 121.6058333 | 242 | 41656 |
| Daramuangan Norte | city | Province of Isabela | Philippines | 16.9 | 121.5833333 | 249 | 19095 |
| Daramuangan Sur | city | Province of Isabela | Philippines | 16.8944444 | 121.6058333 | 242 | 41656 |
| Del Pilar | city | Province of Isabela | Philippines | 16.8497222 | 121.7491667 | 177 | 44933 |
| Delfin Albano | city | Province of Isabela | Philippines | 17.3102778 | 121.7775 | 144 | 26985 |
| Demasere | city | Province of Isabela | Philippines | 17.085 | 122.4147222 | 88 | 1699 |
| Devenuenan | city | Province of Isabela | Philippines | 17.0833333 | 122.3 | 1394 | 2242 |
| Diabbut | city | Province of Isabela | Philippines | 17.0944444 | 122.3908333 | 131 | 1699 |
| Dialao-yaw | city | Province of Isabela | Philippines | 17.0897222 | 122.4436111 | 6 | 1761 |
| Dialauiao | city | Province of Isabela | Philippines | 17.1333333 | 122.3666667 | 328 | 692 |
| Diamantina | city | Province of Isabela | Philippines | 16.9219444 | 121.63 | 216 | 51109 |
| Diamantina | city | Province of Isabela | Philippines | 16.995 | 121.6847222 | 157 | 46096 |
| Diamantino | city | Province of Isabela | Philippines | 16.9219444 | 121.63 | 216 | 51109 |
| Diarao | city | Province of Isabela | Philippines | 16.5811111 | 121.7161111 | 419 | 13515 |
| Dibcuan | city | Province of Isabela | Philippines | 17.1052778 | 122.4683333 | 16 | 1548 |
| Dibewan | city | Province of Isabela | Philippines | 17.1052778 | 122.4683333 | 16 | 1548 |
| Dibula | city | Province of Isabela | Philippines | 17.0333333 | 122.2166667 | 1387 | 3439 |
| Dibuluan | city | Province of Isabela | Philippines | 16.5155556 | 121.7661111 | 301 | 9405 |
| Dibuluan | city | Province of Isabela | Philippines | 17 | 122.1 | 337 | 6059 |
| Dicabisagan | city | Province of Isabela | Philippines | 17.0794444 | 122.4194444 | 88 | 2564 |
| Dicamay | city | Province of Isabela | Philippines | 16.7 | 122.0166667 | 1318 | 9041 |
| Dicamy | city | Province of Isabela | Philippines | 16.7 | 122.0166667 | 1318 | 9041 |
| Dicaoisagan | city | Province of Isabela | Philippines | 17.0794444 | 122.4194444 | 88 | 2564 |
| Dimagat | city | Province of Isabela | Philippines | 16.9577778 | 122.0730556 | 324 | 7265 |
| Dimasari | city | Province of Isabela | Philippines | 17.085 | 122.4147222 | 88 | 1699 |
| Dimate | city | Province of Isabela | Philippines | 17.0333333 | 122.3666667 | 269 | 2745 |
| Dimatican | city | Province of Isabela | Philippines | 17.0333333 | 122.3666667 | 269 | 2745 |
| Dinapigui | city | Province of Isabela | Philippines | 16.6666667 | 122.35 | 3 | 350 |
| Dioanga | city | Province of Isabela | Philippines | 17.0836111 | 122.4386111 | 6 | 1761 |
| Dipalian | city | Province of Isabela | Philippines | 16.9488889 | 122.0647222 | 324 | 7265 |
| Dipaluda | city | Province of Isabela | Philippines | 16.75 | 121.75 | 141 | 27830 |
| Dipaluda | city | Province of Isabela | Philippines | 16.8297222 | 121.7988889 | 141 | 30557 |
| Dipangit | city | Province of Isabela | Philippines | 16.5647222 | 121.6791667 | 298 | 14965 |
| Dipanguit | city | Province of Isabela | Philippines | 16.5647222 | 121.6791667 | 298 | 14965 |
| Dipusu | city | Province of Isabela | Philippines | 16.9488889 | 122.0269444 | 305 | 12791 |
| Disaplit | city | Province of Isabela | Philippines | 17 | 122.1166667 | 328 | 6059 |
| Disimpi | city | Province of Isabela | Philippines | 16.5547222 | 121.7186111 | 311 | 13515 |
| Disimpit | city | Province of Isabela | Philippines | 16.5547222 | 121.7186111 | 311 | 13515 |
| Disulap | city | Province of Isabela | Philippines | 16.9680556 | 122.0691667 | 324 | 7189 |
| Disusuan | city | Province of Isabela | Philippines | 16.95 | 122.1 | 659 | 5668 |
| Divilican | city | Province of Isabela | Philippines | 17.3333333 | 122.3 | 9 | 291 |
| Divisoria | city | Province of Isabela | Philippines | 16.6977778 | 121.5841667 | 242 | 47285 |
| Divisoria | city | Province of Isabela | Philippines | 17.041667 | 121.9741667 | 272 | 21756 |
| Divisoria | city | Province of Isabela | Philippines | 17.0227778 | 122.1788889 | 675 | 5875 |
| Divisoria | city | Province of Isabela | Philippines | 17.0333333 | 122.1833333 | 656 | 5875 |
| Diwas | city | Province of Isabela | Philippines | 17 | 122.0333333 | 305 | 11761 |
| Dolores | city | Province of Isabela | Philippines | 17.1941667 | 121.7794444 | 150 | 21929 |
| Dubinan | city | Province of Isabela | Philippines | 16.69 | 121.5405556 | 255 | 43805 |
| Dugayong | city | Province of Isabela | Philippines | 16.6991667 | 121.7027778 | 226 | 23666 |
| Dugayung | city | Province of Isabela | Philippines | 16.6991667 | 121.7027778 | 226 | 23666 |
| Duminit | city | Province of Isabela | Philippines | 16.9183333 | 121.8125 | 131 | 43175 |
| Dunsub | city | Province of Isabela | Philippines | 17.0166667 | 122.2 | 1148 | 5875 |
| Duroc | city | Province of Isabela | Philippines | 16.75 | 121.75 | 141 | 27830 |
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