| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Coabey | city | Puerto Rico | United States | 18.21 | -66.56 | 2742 | |
| Coamo | city | Puerto Rico | United States | 18.08 | -66.36 | 830 | |
| Coamo Zona Urbana | city | Puerto Rico | United States | 18.08 | -66.36 | 416 | |
| Coco | city | Puerto Rico | United States | 18.01 | -66.26 | 275 | |
| Coco Comunidad | city | Puerto Rico | United States | 18.00 | -66.26 | 177 | |
| Colimar | city | Puerto Rico | United States | 18.35 | -66.11 | 141 | |
| Colinas Vendes | city | Puerto Rico | United States | 18.39 | -66.01 | 154 | |
| Colinas de Curry | city | Puerto Rico | United States | 18.36 | -66.05 | 321 | |
| Colinas de Fair View | city | Puerto Rico | United States | 18.36 | -66.03 | 219 | |
| Colinas de Gurabo | city | Puerto Rico | United States | 18.25 | -65.97 | 830 | |
| Colinas de Hatillo | city | Puerto Rico | United States | 18.43 | -66.83 | 830 | |
| Colinas de Monte Llano | city | Puerto Rico | United States | 18.33 | -66.40 | 830 | |
| Colinas de Villa Rosa | city | Puerto Rico | United States | 18.09 | -66.97 | 830 | |
| Colinas de la Parguera | city | Puerto Rico | United States | 17.98 | -67.06 | 0 | |
| Colinas del Marques | city | Puerto Rico | United States | 18.45 | -66.38 | 45 | |
| Colinas del Oeste | city | Puerto Rico | United States | 18.14 | -67.12 | 177 | |
| Colinas del Yunque | city | Puerto Rico | United States | 18.35 | -65.77 | 301 | |
| College Park | city | Puerto Rico | United States | 18.38 | -66.09 | 124 | |
| Collores | city | Puerto Rico | United States | 18.20 | -66.62 | 1669 | |
| Collores | city | Puerto Rico | United States | 18.09 | -66.54 | 994 | |
| Colonia Bomba (historical) | city | Puerto Rico | United States | 17.99 | -66.37 | 45 | |
| Colonia Bordelaise (historical) | city | Puerto Rico | United States | 18.00 | -65.88 | 3 | |
| Colonia Buena Vista (historical) | city | Puerto Rico | United States | 18.40 | -65.95 | 26 | |
| Colonia Dolores | city | Puerto Rico | United States | 18.26 | -67.14 | 36 | |
| Colonia Indios (historical) | city | Puerto Rico | United States | 17.96 | -66.41 | 26 | |
| Colonia Luján | city | Puerto Rico | United States | 18.12 | -65.44 | 75 | |
| Colonia Puerto Real | city | Puerto Rico | United States | 18.11 | -65.48 | 98 | |
| Colonia San Isidoro (historical) | city | Puerto Rico | United States | 18.39 | -65.91 | 19 | |
| Coloso | city | Puerto Rico | United States | 18.38 | -67.16 | 32 | |
| Columbia | city | Puerto Rico | United States | 18.00 | -65.91 | 95 | |
| Columbus Landing | city | Puerto Rico | United States | 18.20 | -67.15 | 52 | |
| Combate | city | Puerto Rico | United States | 18.43 | -66.43 | 272 | |
| Comerío | city | Puerto Rico | United States | 18.22 | -66.23 | 1669 | |
| Comerío Zona Urbana | city | Puerto Rico | United States | 18.22 | -66.22 | 1669 | |
| Cometa | city | Puerto Rico | United States | 18.14 | -65.83 | 52 | |
| Compamento Gurabo | city | Puerto Rico | United States | 18.26 | -65.98 | 223 | |
| Comunas | city | Puerto Rico | United States | 18.09 | -65.84 | 272 | |
| Comunas Comunidad | city | Puerto Rico | United States | 18.09 | -65.84 | 272 | |
| Comunidad Borinquen | city | Puerto Rico | United States | 18.13 | -66.49 | 830 | |
| Comunidad Caracoles | city | Puerto Rico | United States | 18.05 | -66.71 | 830 | |
| Comunidad Carmen | city | Puerto Rico | United States | 18.41 | -66.32 | 196 | |
| Comunidad Cristina | city | Puerto Rico | United States | 18.05 | -66.50 | 262 | |
| Comunidad Extension San Jose | city | Puerto Rico | United States | 18.26 | -65.97 | 213 | |
| Comunidad Gandara | city | Puerto Rico | United States | 18.17 | -66.16 | 1669 | |
| Comunidad La Ponderosa | city | Puerto Rico | United States | 18.42 | -66.32 | 193 | |
| Comunidad Las Casitas | city | Puerto Rico | United States | 18.22 | -66.22 | 1669 | |
| Comunidad Matienzo Cintron | city | Puerto Rico | United States | 18.38 | -66.00 | 118 | |
| Comunidad Palmar Novoa II | city | Puerto Rico | United States | 18.39 | -67.19 | 42 | |
| Comunidad Palmer Noroa | city | Puerto Rico | United States | 18.39 | -67.20 | 39 | |
| Comunidad Playa | city | Puerto Rico | United States | 17.96 | -66.41 | 9 | |
| Comunidad Ramos | city | Puerto Rico | United States | 18.39 | -67.11 | 164 | |
| Comunidad Rio Plantation | city | Puerto Rico | United States | 18.42 | -66.18 | 82 | |
| Comunidad Sabana | city | Puerto Rico | United States | 18.39 | -67.12 | 164 | |
| Comunidad San Luis | city | Puerto Rico | United States | 18.14 | -66.27 | 1998 | |
| Comunidad Santa Rosa | city | Puerto Rico | United States | 18.48 | -66.83 | 141 | |
| Comunidad Villa Alegre | city | Puerto Rico | United States | 18.26 | -65.98 | 223 | |
| Comunidad Villa Angelina | city | Puerto Rico | United States | 18.37 | -65.73 | 91 | |
| Comunidad Villa Brabe | city | Puerto Rico | United States | 17.96 | -66.41 | 9 | |
| Comunidad Villa Pulga | city | Puerto Rico | United States | 17.96 | -66.40 | 13 | |
| Concordia | city | Puerto Rico | United States | 17.98 | -66.04 | 3 | |
| Concordia Gardens | city | Puerto Rico | United States | 18.39 | -66.03 | 216 | |
| Condado | city | Puerto Rico | United States | 18.45 | -66.07 | 6 | |
| Condado Moderno | city | Puerto Rico | United States | 18.24 | -66.02 | 154 | |
| Conde Ávila | city | Puerto Rico | United States | 18.12 | -67.17 | 101 | |
| Constancia | city | Puerto Rico | United States | 18.00 | -66.60 | 65 | |
| Consumo | city | Puerto Rico | United States | 18.21 | -67.03 | 1669 | |
| Convento | city | Puerto Rico | United States | 18.35 | -65.66 | 272 | |
| Coqui II | city | Puerto Rico | United States | 18.43 | -66.13 | 9 | |
| Coquí | city | Puerto Rico | United States | 17.97 | -66.23 | 19 | |
| Coquí Comunidad | city | Puerto Rico | United States | 17.98 | -66.23 | 55 | |
| Corazón | city | Puerto Rico | United States | 17.99 | -66.08 | 173 | |
| Corazón Comunidad | city | Puerto Rico | United States | 17.99 | -66.08 | 173 | |
| Corcovado | city | Puerto Rico | United States | 18.46 | -66.78 | 252 | |
| Corcovado Comunidad | city | Puerto Rico | United States | 18.46 | -66.78 | 252 | |
| Cornelia | city | Puerto Rico | United States | 18.15 | -67.17 | 36 | |
| Corozal | city | Puerto Rico | United States | 18.08 | -66.71 | 830 | |
| Corozal | city | Puerto Rico | United States | 18.34 | -66.32 | 830 | |
| Corozal Zona Urbana | city | Puerto Rico | United States | 18.34 | -66.31 | 830 | |
| Corozo | city | Puerto Rico | United States | 17.98 | -67.18 | 39 | |
| Corral Viejo | city | Puerto Rico | United States | 18.08 | -66.65 | 830 | |
| Corral Viejo Comunidad | city | Puerto Rico | United States | 18.08 | -66.65 | 830 | |
| Corrales | city | Puerto Rico | United States | 18.45 | -67.11 | 830 | |
| Corrientes | city | Puerto Rico | United States | 18.35 | -65.98 | 830 | |
| Costa Azul | city | Puerto Rico | United States | 17.98 | -66.10 | 32 | |
| Costa Brava | city | Puerto Rico | United States | 18.51 | -67.03 | 111 | |
| Costa Dorado | city | Puerto Rico | United States | 18.48 | -66.27 | 6 | |
| Costa Este | city | Puerto Rico | United States | 18.15 | -65.82 | 88 | |
| Costa Sur | city | Puerto Rico | United States | 17.97 | -66.09 | 26 | |
| Costa de Oro | city | Puerto Rico | United States | 18.47 | -66.28 | 19 | |
| Costa del Norte (historical) | city | Puerto Rico | United States | 18.47 | -66.12 | 0 | |
| Costal Azul | city | Puerto Rico | United States | 18.38 | -65.72 | 3 | |
| Coto | city | Puerto Rico | United States | 18.10 | -67.05 | 160 | |
| Coto Laurel | city | Puerto Rico | United States | 18.05 | -66.55 | 183 | |
| Coto Laurel Comunidad | city | Puerto Rico | United States | 18.05 | -66.55 | 183 | |
| Coto Norte | city | Puerto Rico | United States | 18.43 | -66.44 | 269 | |
| Coto Norte Comunidad | city | Puerto Rico | United States | 18.43 | -66.44 | 269 | |
| Coto Sur | city | Puerto Rico | United States | 18.42 | -66.46 | 403 | |
| Country Club | city | Puerto Rico | United States | 18.40 | -66.00 | 65 | |
| Country Club Extension | city | Puerto Rico | United States | 18.41 | -66.00 | 16 | |
| Country States | city | Puerto Rico | United States | 18.37 | -66.18 | 108 | |
| Country View | city | Puerto Rico | United States | 18.38 | -65.90 | 39 |