| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ceiba | city | Puerto Rico | United States | 18.26 | -65.65 | 49 | |
| Ceiba | city | Puerto Rico | United States | 18.45 | -66.35 | 52 | |
| Ceiba Comunidad | city | Puerto Rico | United States | 18.44 | -66.35 | 177 | |
| Ceiba Zona Urbana | city | Puerto Rico | United States | 18.26 | -65.65 | 49 | |
| Celada | city | Puerto Rico | United States | 18.27 | -65.97 | 337 | |
| Celada Comunidad | city | Puerto Rico | United States | 18.27 | -65.96 | 275 | |
| Celina | city | Puerto Rico | United States | 18.26 | -65.65 | 29 | |
| Celitos | city | Puerto Rico | United States | 18.19 | -67.14 | 209 | |
| Celitos | city | Puerto Rico | United States | 18.19 | -67.14 | 209 | |
| Central Aguirre | city | Puerto Rico | United States | 17.95 | -66.22 | 0 | |
| Central Aguirre Comunidad | city | Puerto Rico | United States | 17.96 | -66.23 | 3 | |
| Central Carmen (historical) | city | Puerto Rico | United States | 18.43 | -66.34 | 124 | |
| Central Los Caños | city | Puerto Rico | United States | 18.43 | -66.72 | 55 | |
| Central Vannia (historical) | city | Puerto Rico | United States | 18.39 | -66.05 | 180 | |
| Centro Calvache | city | Puerto Rico | United States | 18.31 | -67.23 | 311 | |
| Centro Palmar | city | Puerto Rico | United States | 18.40 | -67.13 | 124 | |
| Centro Puntas | city | Puerto Rico | United States | 18.36 | -67.26 | 193 | |
| Centro Vacacional Recidencial Recinto La Catala | city | Puerto Rico | United States | 18.45 | -66.54 | 19 | |
| Centro de Detencion Regional | city | Puerto Rico | United States | 18.42 | -66.15 | 49 | |
| Cercadillo | city | Puerto Rico | United States | 18.45 | -66.65 | 200 | |
| Cerrillos | city | Puerto Rico | United States | 18.13 | -67.15 | 36 | |
| Cerrillos | city | Puerto Rico | United States | 18.07 | -66.57 | 301 | |
| Cerrillos Hoyos Comunidad | city | Puerto Rico | United States | 18.07 | -66.57 | 301 | |
| Cerro Gordo | city | Puerto Rico | United States | 18.30 | -66.48 | 830 | |
| Cerro Gordo | city | Puerto Rico | United States | 18.48 | -66.34 | 45 | |
| Cerro del Calvario | city | Puerto Rico | United States | 18.05 | -65.88 | 85 |