| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cocal | city | Limon | Costa Rica | 10.02 | -83.12 | 3 | 23336 |
| Cocles | city | Limon | Costa Rica | 9.64 | -82.75 | 314 | 672 |
| Coco | city | Guanacaste | Costa Rica | 10.55 | -85.70 | 65 | 4116 |
| Coco | city | Alajuela | Costa Rica | 9.99 | -84.22 | 2811 | 84417 |
| Coco, Sardinal | city | Guanacaste | Costa Rica | 10.55 | -85.70 | 65 | 4116 |
| Cocoles | city | Limon | Costa Rica | 9.55 | -82.88 | 830 | 1043 |
| Cocos | city | Guanacaste | Costa Rica | 10.55 | -85.70 | 65 | 4116 |
| Coeza | city | Puntarenas | Costa Rica | 9.33 | -83.28 | 5869 | 2576 |
| Coliblanco | city | Cartago | Costa Rica | 9.95 | -83.81 | 7549 | 26292 |
| Coliblanco | city | Cartago | Costa Rica | 9.95 | -83.77 | 5869 | 15220 |
| Colima | city | San Jose | Costa Rica | 9.95 | -84.09 | 3733 | 618866 |
| Colinas de Buenos Aires | city | Puntarenas | Costa Rica | 9.05 | -83.46 | 1046 | 2740 |
| Colombiana | city | Limon | Costa Rica | 10.16 | -83.58 | 301 | 7211 |
| Colon | city | San Jose | Costa Rica | 9.92 | -84.24 | 2739 | 41995 |
| Colonia | city | Guanacaste | Costa Rica | 9.99 | -85.25 | 849 | 3516 |
| Colonia | city | Alajuela | Costa Rica | 10.30 | -84.25 | 2621 | 7223 |
| Colonia Agrícola del Toro | city | Alajuela | Costa Rica | 10.30 | -84.25 | 2621 | 7223 |
| Colonia Carmona | city | Guanacaste | Costa Rica | 9.99 | -85.25 | 849 | 3516 |
| Colonia Carvajal | city | Heredia | Costa Rica | 10.38 | -84.15 | 830 | 7060 |
| Colonia Dos Ríos | city | Alajuela | Costa Rica | 10.90 | -85.38 | 1768 | 1329 |
| Colonia Mayorga | city | Alajuela | Costa Rica | 10.90 | -85.38 | 1768 | 1329 |
| Colonia Palmarena | city | Alajuela | Costa Rica | 10.25 | -84.56 | 2086 | 3207 |
| Colonia Rodrigo Facio | city | San Jose | Costa Rica | 9.95 | -84.05 | 4189 | 546765 |
| Colonia Salvador | city | Heredia | Costa Rica | 10.23 | -83.93 | 830 | 4435 |
| Colonia del Salvador | city | Heredia | Costa Rica | 10.23 | -83.93 | 830 | 4435 |
| Colonia del Toro | city | Alajuela | Costa Rica | 10.30 | -84.25 | 2621 | 7223 |
| Colorado | city | Cartago | Costa Rica | 9.91 | -83.70 | 2509 | 20666 |
| Colorado | city | Limon | Costa Rica | 10.78 | -83.60 | 3 | 1613 |
| Colorado | city | Guanacaste | Costa Rica | 10.18 | -85.11 | 101 | 2758 |
| Colorado | city | San Jose | Costa Rica | 9.70 | -84.27 | 1879 | 8440 |
| Colorado | city | Guanacaste | Costa Rica | 10.67 | -85.48 | 830 | 16409 |
| Colón | city | Alajuela | Costa Rica | 10.31 | -84.41 | 3398 | 19529 |
| Comadre | city | Limon | Costa Rica | 9.71 | -82.82 | 101 | 588 |
| Comun de Birri | city | Heredia | Costa Rica | 10.07 | -84.14 | 4422 | 85654 |
| Comunidad | city | Guanacaste | Costa Rica | 10.55 | -85.59 | 101 | 4091 |
| Común | city | Heredia | Costa Rica | 10.07 | -84.14 | 4422 | 85654 |
| Concepcion | city | Puntarenas | Costa Rica | 9.03 | -83.42 | 1669 | 2734 |
| Concepcion | city | Heredia | Costa Rica | 10.03 | -84.06 | 4445 | 132758 |
| Concepcion | city | Alajuela | Costa Rica | 10.03 | -84.42 | 3349 | 51016 |
| Concepcion | city | Guanacaste | Costa Rica | 10.24 | -85.13 | 200 | 3342 |
| Concepcion | city | San Jose | Costa Rica | 9.71 | -84.35 | 1771 | 6733 |
| Concepcion | city | Cartago | Costa Rica | 9.93 | -84.00 | 4576 | 295294 |
| Concepcion | city | Heredia | Costa Rica | 10.02 | -84.05 | 4422 | 164493 |
| Concepción | city | Alajuela | Costa Rica | 10.09 | -84.41 | 3681 | 68579 |
| Concepción | city | Guanacaste | Costa Rica | 10.30 | -85.00 | 830 | 3377 |
| Concepción | city | Puntarenas | Costa Rica | 9.78 | -85.02 | 219 | 6830 |
| Concepción | city | Alajuela | Costa Rica | 9.94 | -84.47 | 1669 | 6474 |
| Concepción | city | Alajuela | Costa Rica | 10.12 | -84.44 | 3474 | 49911 |
| Concepción | city | San Jose | Costa Rica | 9.89 | -84.09 | 4189 | 430963 |
| Concepción | city | Alajuela | Costa Rica | 9.97 | -84.36 | 1669 | 42816 |
| Concepción de San Rafael | city | Heredia | Costa Rica | 10.03 | -84.06 | 4445 | 132758 |
| Concordia | city | Alajuela | Costa Rica | 10.12 | -84.16 | 5869 | 65368 |
| Congo | city | Cartago | Costa Rica | 9.86 | -83.76 | 3349 | 15208 |
| Congo | city | Guanacaste | Costa Rica | 10.22 | -85.00 | 200 | 3278 |
| Constancia | city | Alajuela | Costa Rica | 10.05 | -84.50 | 4189 | 28400 |
| Conte | city | Puntarenas | Costa Rica | 8.63 | -83.43 | 3 | 1495 |
| Conventillos | city | Guanacaste | Costa Rica | 11.08 | -85.68 | 85 | 1785 |
| Convento | city | Puntarenas | Costa Rica | 9.35 | -83.50 | 5029 | 6422 |
| Cooper | city | Alajuela | Costa Rica | 10.43 | -84.35 | 830 | 4321 |
| Copachi | city | Guanacaste | Costa Rica | 11.18 | -85.62 | 830 | 2571 |
| Copachi | city | Cartago | Costa Rica | 9.82 | -84.03 | 5869 | 122498 |
| Copal | city | Guanacaste | Costa Rica | 10.17 | -85.26 | 160 | 3426 |
| Copal | city | Puntarenas | Costa Rica | 8.78 | -82.95 | 4189 | 7008 |
| Copalchi | city | Guanacaste | Costa Rica | 11.18 | -85.62 | 830 | 2571 |
| Copalchí | city | Cartago | Costa Rica | 9.82 | -84.03 | 5869 | 122498 |
| Copey | city | San Jose | Costa Rica | 9.65 | -83.92 | 6709 | 2537 |
| Corazón de Jesús | city | Alajuela | Costa Rica | 10.34 | -84.17 | 1167 | 10579 |
| Cordel | city | San Jose | Costa Rica | 9.92 | -84.36 | 1669 | 27854 |
| Cordoncillo | city | Puntarenas | Costa Rica | 9.25 | -83.46 | 1994 | 3247 |
| Corina | city | Limon | Costa Rica | 10.00 | -83.32 | 206 | 4808 |
| Coris | city | Cartago | Costa Rica | 9.87 | -83.99 | 4583 | 153306 |
| Corobici | city | Guanacaste | Costa Rica | 10.45 | -85.13 | 147 | 4855 |
| Corohado | city | Alajuela | Costa Rica | 10.40 | -84.50 | 262 | 6454 |
| Coroma | city | Limon | Costa Rica | 9.54 | -82.99 | 269 | 1043 |
| Coronado | city | Puntarenas | Costa Rica | 9.05 | -83.62 | 157 | 1918 |
| Coronado | city | Alajuela | Costa Rica | 10.40 | -84.50 | 262 | 6454 |
| Corozal | city | Guanacaste | Costa Rica | 9.99 | -85.15 | 3 | 3415 |
| Corozalito | city | Guanacaste | Costa Rica | 9.86 | -85.37 | 160 | 2380 |
| Corralar | city | San Jose | Costa Rica | 9.85 | -84.21 | 3392 | 12206 |
| Corrales | city | Alajuela | Costa Rica | 10.11 | -84.40 | 3569 | 54939 |
| Corrales | city | Alajuela | Costa Rica | 10.77 | -84.68 | 173 | 2086 |
| Corralillo | city | Cartago | Costa Rica | 9.79 | -84.04 | 5275 | 82682 |
| Corralillo | city | Puntarenas | Costa Rica | 9.89 | -84.73 | 229 | 5248 |
| Corralillo | city | Guanacaste | Costa Rica | 10.22 | -85.38 | 236 | 4917 |
| Corredor | city | Puntarenas | Costa Rica | 8.64 | -82.95 | 265 | 10797 |
| Corrogres | city | San Jose | Costa Rica | 9.86 | -84.27 | 3349 | 17356 |
| Cot | city | Cartago | Costa Rica | 9.89 | -83.87 | 5869 | 74951 |
| Cote | city | Alajuela | Costa Rica | 10.58 | -84.92 | 2509 | 2620 |
| Coto | city | Puntarenas | Costa Rica | 8.54 | -83.04 | 91 | 4451 |
| Coto Brus | city | Puntarenas | Costa Rica | 8.95 | -83.07 | 1128 | 4159 |
| Coto Independiente | city | Puntarenas | Costa Rica | 8.62 | -83.06 | 68 | 3129 |
| Cotos | city | Puntarenas | Costa Rica | 9.51 | -84.10 | 246 | 5133 |
| Coyol | city | Alajuela | Costa Rica | 10.00 | -84.26 | 2703 | 76620 |
| Coyolar | city | San Jose | Costa Rica | 9.78 | -84.26 | 2509 | 8296 |
| Coyolar | city | Puntarenas | Costa Rica | 10.14 | -84.84 | 830 | 7082 |
| Coyolar | city | Alajuela | Costa Rica | 9.90 | -84.56 | 830 | 9984 |
| Coyolar | city | Guanacaste | Costa Rica | 10.25 | -85.25 | 3 | 3493 |
| Coyolar | city | Guanacaste | Costa Rica | 10.08 | -85.34 | 308 | 4631 |
| Coyolito | city | Guanacaste | Costa Rica | 10.14 | -84.98 | 285 | 4648 |
| Coyolito | city | Guanacaste | Costa Rica | 10.36 | -85.65 | 262 | 5197 |
| Coyote | city | Guanacaste | Costa Rica | 9.78 | -85.26 | 150 | 2016 |