| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Daguao | city | Puerto Rico | United States | 18.22833 | -65.68361 | 45 | 25932 |
| De Diego | city | Puerto Rico | United States | 18.37944 | -66.07028 | 75 | 381107 |
| Delicias | city | Puerto Rico | United States | 18.105 | -67.15611 | 59 | 37563 |
| Descalabrado | city | Puerto Rico | United States | 18.00833 | -66.435 | 88 | 33168 |
| Destino | city | Puerto Rico | United States | 18.13028 | -65.43667 | 252 | 4376 |
| Desvio Dolores | city | Puerto Rico | United States | 18.38528 | -65.85639 | 39 | 50276 |
| Divisoria | city | Puerto Rico | United States | 18.16389 | -66.51083 | 2910 | 37656 |
| Domingo Ruiz | city | Puerto Rico | United States | 18.4475 | -66.68222 | 45 | 38489 |
| Dominguito | city | Puerto Rico | United States | 18.42306 | -66.74833 | 495 | 38444 |
| Dorado | city | Puerto Rico | United States | 18.46083 | -66.26806 | 13 | 49735 |
| Dos Bocas | city | Puerto Rico | United States | 18.34 | -66.67111 | 518 | 35939 |
| Dos Pinos | city | Puerto Rico | United States | 18.40667 | -66.03861 | 68 | 320351 |
| Duque | city | Puerto Rico | United States | 18.24139 | -65.75083 | 282 | 35484 |
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