| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| TMU (Tambor Airport) | airport | Costa Rica | 9.74 | -85.01 | 33 | 0 | |
| TNO (Tamarindo De Santa Cruz Airport) | airport | Costa Rica | 10.31 | -85.82 | 41 | 0 | |
| TOBIAS BOLANOS INTL | airport | Costa Rica | 9.96 | -84.14 | 3287 | 0 | |
| TOO (SAN VITO DE JAVA) | airport | Costa Rica | 8.83 | -82.96 | 3228 | 0 | |
| TTQ (AEROTORTUGUERO) | airport | Costa Rica | 10.42 | -83.61 | 82 | 0 | |
| Tabarcia | city | Provincia de San Jose | Costa Rica | 9.85 | -84.23 | 2834 | 14848 |
| Taberi | city | Provincia de Limon | Costa Rica | 9.58 | -83.05 | 538 | 1049 |
| Tabla | city | Provincia de Alajuela | Costa Rica | 10.42 | -84.25 | 879 | 5550 |
| Tabla Grande | city | Provincia de Alajuela | Costa Rica | 10.58 | -84.42 | 219 | 4321 |
| Tablones | city | Provincia de Alajuela | Costa Rica | 10.12 | -84.57 | 3776 | 3129 |
| Tablón | city | Provincia de Cartago | Costa Rica | 9.83 | -84.02 | 5239 | 129977 |
| Taboga | city | Provincia de Guanacaste | Costa Rica | 10.33 | -85.20 | 16 | 4096 |
| Taboga Airport | airport | Costa Rica | 10.35 | -85.20 | 108 | 0 | |
| Tabores | city | Provincia de Guanacaste | Costa Rica | 10.52 | -85.65 | 196 | 6705 |
| Tacacorí | city | Provincia de Alajuela | Costa Rica | 10.05 | -84.22 | 3339 | 73765 |
| Tacanis | city | Provincia de Guanacaste | Costa Rica | 10.03 | -85.32 | 1066 | 3683 |
| Tacares | city | Provincia de Alajuela | Costa Rica | 10.03 | -84.28 | 2690 | 69654 |
| Tajo Alto | city | Provincia de Puntarenas | Costa Rica | 10.13 | -84.72 | 2828 | 5714 |
| Talamanca | city | Provincia de Limon | Costa Rica | 9.60 | -82.78 | 95 | 1017 |
| Talolinga | city | Provincia de Guanacaste | Costa Rica | 10.33 | -85.48 | 144 | 4863 |
| Talolinga Airport | airport | Costa Rica | 10.31 | -85.47 | 33 | 0 | |
| Tamarindo | city | Provincia de Guanacaste | Costa Rica | 10.43 | -85.27 | 121 | 1639 |
| Tamarindo De Santa Cruz Airport | airport | Costa Rica | 10.31 | -85.82 | 41 | 0 | |
| Tambor | city | Provincia de Alajuela | Costa Rica | 10.03 | -84.23 | 2995 | 77711 |
| Tambor | city | Provincia de San Jose | Costa Rica | 9.30 | -83.55 | 2208 | 8859 |
| Tambor | city | Provincia de Puntarenas | Costa Rica | 9.72 | -85.03 | 341 | 5341 |
| Tambor | city | Provincia de Puntarenas | Costa Rica | 9.72 | -85.07 | 154 | 7090 |
| Tambor Airport | airport | Costa Rica | 9.74 | -85.01 | 33 | 0 | |
| Tanque | city | Provincia de Alajuela | Costa Rica | 10.47 | -84.58 | 328 | 3968 |
| Tanques | city | Provincia de Guanacaste | Costa Rica | 10.77 | -85.32 | 2588 | 1261 |
| Tapanti | city | Provincia de Cartago | Costa Rica | 9.77 | -83.77 | 4130 | 7191 |
| Tapesco | city | Provincia de Alajuela | Costa Rica | 10.22 | -84.40 | 6141 | 8447 |
| Tapezco | city | Provincia de Alajuela | Costa Rica | 10.22 | -84.40 | 6141 | 8447 |
| Taras | city | Provincia de Cartago | Costa Rica | 9.88 | -83.93 | 4881 | 109729 |
| Tarbaca | city | Provincia de San Jose | Costa Rica | 9.82 | -84.12 | 5639 | 66084 |
| Tarcoles | city | Provincia de Puntarenas | Costa Rica | 9.77 | -84.62 | 288 | 1863 |
| Taus | city | Provincia de Cartago | Costa Rica | 9.78 | -83.72 | 2903 | 6299 |
| Tausito | city | Provincia de Cartago | Costa Rica | 9.78 | -83.78 | 5013 | 9222 |
| Tayutic | city | Provincia de Cartago | Costa Rica | 9.83 | -83.57 | 3244 | 5949 |
| Tejar | city | Provincia de Cartago | Costa Rica | 9.85 | -83.93 | 4478 | 99652 |
| Tejar | city | Provincia de San Jose | Costa Rica | 9.90 | -84.08 | 3749 | 490702 |
| Tejar | city | Provincia de San Jose | Costa Rica | 9.75 | -84.23 | 3277 | 8638 |
| Tejarcillos | city | Provincia de San Jose | Costa Rica | 9.92 | -84.12 | 3599 | 494164 |
| Tejona | city | Provincia de Guanacaste | Costa Rica | 10.50 | -84.97 | 2204 | 4968 |
| Telire | city | Provincia de Limon | Costa Rica | 9.58 | -83.02 | 318 | 1050 |
| Tempate | city | Provincia de Guanacaste | Costa Rica | 10.42 | -85.73 | 318 | 4540 |
| Tendal | city | Provincia de Guanacaste | Costa Rica | 10.35 | -85.42 | 19 | 4357 |
| Tenorio | city | Provincia de Guanacaste | Costa Rica | 10.62 | -85.08 | 1410 | 5067 |
| Terciopelo | city | Provincia de Guanacaste | Costa Rica | 9.93 | -85.52 | 291 | 4897 |
| Terraba | city | Provincia de Puntarenas | Costa Rica | 9.07 | -83.28 | 1046 | 1991 |
| Terrero | city | Provincia de Puntarenas | Costa Rica | 10.12 | -84.92 | 236 | 6422 |
| Teruel | city | Provincia de San Jose | Costa Rica | 9.73 | -84.30 | 2821 | 8103 |
| Tetsalia | city | Provincia de Alajuela | Costa Rica | 10.37 | -84.42 | 1627 | 18005 |
| Tibás | city | Provincia de Heredia | Costa Rica | 9.97 | -84.05 | 4025 | 476192 |
| Ticaban Airport | airport | Costa Rica | 10.37 | -83.85 | 246 | 0 | |
| Ticufres | city | Provincia de San Jose | Costa Rica | 9.88 | -84.23 | 3549 | 23629 |
| Ticura | city | Provincia de Cartago | Costa Rica | 9.82 | -83.55 | 3067 | 5066 |
| Tierra Blanca | city | Provincia de Guanacaste | Costa Rica | 10.13 | -85.42 | 318 | 4917 |
| Tierra Blanca | city | Provincia de Cartago | Costa Rica | 9.92 | -83.90 | 6689 | 101008 |
| Tierra Colorada | city | Provincia de Guanacaste | Costa Rica | 10.22 | -84.92 | 1233 | 4139 |
| Tierras Coloradas | city | Provincia de Guanacaste | Costa Rica | 10.22 | -84.92 | 1233 | 4139 |
| Tierras Morenas | city | Provincia de Puntarenas | Costa Rica | 9.33 | -83.87 | 688 | 5513 |
| Tierras Morenas | city | Provincia de Guanacaste | Costa Rica | 10.57 | -85.03 | 1971 | 5621 |
| Tieso | city | Provincia de Guanacaste | Costa Rica | 10.28 | -85.77 | 229 | 4470 |
| Tigra | city | Provincia de Puntarenas | Costa Rica | 9.93 | -85.15 | 1164 | 7113 |
| Tigra | city | Provincia de Alajuela | Costa Rica | 10.35 | -84.60 | 1341 | 3732 |
| Tigre | city | Provincia de Puntarenas | Costa Rica | 8.68 | -83.02 | 419 | 3766 |
| Tigre | city | Provincia de Puntarenas | Costa Rica | 8.55 | -83.37 | 98 | 2232 |
| Tigre | city | Provincia de San Jose | Costa Rica | 9.82 | -84.10 | 5328 | 94201 |
| Tigre | city | Provincia de Heredia | Costa Rica | 10.42 | -83.98 | 154 | 2172 |
| Tilarán | city | Provincia de Guanacaste | Costa Rica | 10.47 | -84.97 | 1945 | 5736 |
| Tinamaste | city | Provincia de San Jose | Costa Rica | 9.30 | -83.78 | 2335 | 6556 |
| Tinamaste | city | Provincia de San Jose | Costa Rica | 9.88 | -84.30 | 2887 | 22961 |
| Tiquirusas | city | Provincia de Guanacaste | Costa Rica | 10.27 | -85.17 | 124 | 4308 |
| Tirimbina | city | Provincia de Heredia | Costa Rica | 10.40 | -84.13 | 600 | 4450 |
| Tivives | city | Provincia de Puntarenas | Costa Rica | 9.85 | -84.68 | 16 | 4715 |
| Tobosi | city | Provincia de Cartago | Costa Rica | 9.83 | -83.98 | 5183 | 85139 |
| Toledo | city | Provincia de San Jose | Costa Rica | 9.80 | -84.25 | 2739 | 8981 |
| Tonjibe | city | Provincia de Alajuela | Costa Rica | 10.62 | -84.78 | 793 | 2895 |
| Tonjive | city | Provincia de Alajuela | Costa Rica | 10.62 | -84.78 | 793 | 2895 |
| Torino | city | Provincia de Guanacaste | Costa Rica | 10.65 | -85.23 | 990 | 1639 |
| Torito | city | Provincia de Cartago | Costa Rica | 9.95 | -83.63 | 1305 | 11739 |
| Torito | city | Provincia de Cartago | Costa Rica | 10.00 | -83.70 | 4517 | 6924 |
| Torno | city | Provincia de Guanacaste | Costa Rica | 10.65 | -85.23 | 990 | 1639 |
| Tornos | city | Provincia de Alajuela | Costa Rica | 9.93 | -84.40 | 1049 | 16810 |
| Tornos | city | Provincia de Alajuela | Costa Rica | 10.75 | -84.70 | 232 | 2086 |
| Toro | city | Provincia de Alajuela | Costa Rica | 10.22 | -84.28 | 5186 | 7415 |
| Toro | city | Provincia de Limon | Costa Rica | 10.02 | -83.22 | 131 | 4431 |
| Toro Amarillo | city | Provincia de Limon | Costa Rica | 10.22 | -83.80 | 915 | 4639 |
| Toro Amarillo | city | Provincia de Alajuela | Costa Rica | 10.22 | -84.28 | 5186 | 7415 |
| Torrotillo | city | Provincia de San Jose | Costa Rica | 9.90 | -84.12 | 3920 | 383833 |
| Tortugal | city | Provincia de Puntarenas | Costa Rica | 9.10 | -83.65 | 305 | 3014 |
| Tortuguero | city | Provincia de Limon | Costa Rica | 10.58 | -83.52 | 0 | 2287 |
| Tranquerillas | city | Provincia de San Jose | Costa Rica | 9.80 | -84.10 | 4888 | 76035 |
| Trapiche | city | Provincia de Guanacaste | Costa Rica | 10.28 | -85.73 | 364 | 4470 |
| Trenzas | city | Provincia de Puntarenas | Costa Rica | 8.57 | -83.05 | 91 | 3570 |
| Tres Amigos | city | Provincia de Alajuela | Costa Rica | 10.65 | -84.27 | 154 | 4321 |
| Tres Amigos | city | Provincia de Guanacaste | Costa Rica | 10.32 | -84.95 | 1620 | 3282 |
| Tres Hermanos | city | Provincia de Guanacaste | Costa Rica | 10.30 | -84.97 | 1053 | 3280 |
| Tres Millas | city | Provincia de Limon | Costa Rica | 10.17 | -83.52 | 147 | 7450 |
| Tres Rios | city | Provincia de Puntarenas | Costa Rica | 9.90 | -85.18 | 564 | 6777 |
| Tres Rios | city | Provincia de Cartago | Costa Rica | 9.90 | -83.98 | 4665 | 198297 |
| Tres de Junio | city | Provincia de Cartago | Costa Rica | 9.67 | -83.85 | 8648 | 4605 |
| Trinidad | city | Provincia de Guanacaste | Costa Rica | 9.97 | -85.42 | 1519 | 4888 |
| Trinidad | city | Provincia de San Jose | Costa Rica | 9.67 | -84.08 | 5341 | 11882 |
| Trinidad | city | Provincia de Cartago | Costa Rica | 9.97 | -83.75 | 5078 | 9543 |
| Trinidad | city | Provincia de San Jose | Costa Rica | 9.12 | -83.58 | 2447 | 5347 |
| Trinidad | city | Provincia de Limon | Costa Rica | 10.15 | -83.55 | 209 | 7447 |
| Trinidad | city | Provincia de Guanacaste | Costa Rica | 10.75 | -85.62 | 662 | 971 |
| Trinidad | city | Provincia de Cartago | Costa Rica | 9.67 | -83.88 | 8123 | 3670 |
| Trinidad | city | Provincia de Heredia | Costa Rica | 10.72 | -83.93 | 98 | 1132 |
| Triunfo | city | Provincia de Alajuela | Costa Rica | 10.67 | -84.87 | 252 | 2086 |
| Trojas | city | Provincia de Alajuela | Costa Rica | 10.15 | -84.32 | 4694 | 24362 |
| Tronadora | city | Provincia de Guanacaste | Costa Rica | 10.50 | -84.93 | 2017 | 3857 |
| Tronconal | city | Provincia de Puntarenas | Costa Rica | 10.03 | -84.85 | 75 | 10758 |
| Troya | city | Provincia de Cartago | Costa Rica | 9.80 | -83.87 | 4019 | 53564 |
| Trébol | city | Provincia de Limon | Costa Rica | 9.93 | -83.08 | 295 | 34090 |
| Tuba | city | Provincia de Limon | Costa Rica | 9.77 | -82.90 | 226 | 1099 |
| Tuba Creek | city | Provincia de Limon | Costa Rica | 9.77 | -82.90 | 226 | 1099 |
| Tucurrique | city | Provincia de Cartago | Costa Rica | 9.85 | -83.72 | 2506 | 11804 |
| Tuetal Norte | city | Provincia de Alajuela | Costa Rica | 10.03 | -84.23 | 2995 | 77711 |
| Tufares | city | Provincia de San Jose | Costa Rica | 9.75 | -84.38 | 2332 | 6536 |
| Tuis | city | Provincia de Cartago | Costa Rica | 9.85 | -83.58 | 2919 | 7289 |
| Tulin | city | Provincia de San Jose | Costa Rica | 9.60 | -84.48 | 206 | 4305 |
| Tulin | city | Provincia de San Jose | Costa Rica | 9.77 | -84.42 | 2165 | 6214 |
| Tulin | city | Provincia de San Jose | Costa Rica | 9.72 | -84.40 | 2011 | 6407 |
| Tumbas | city | Provincia de San Jose | Costa Rica | 9.28 | -83.77 | 3543 | 6364 |
| Turialba | city | Provincia de Cartago | Costa Rica | 9.90 | -83.68 | 2096 | 23163 |
| Turin | city | Provincia de Guanacaste | Costa Rica | 10.35 | -84.88 | 3530 | 4322 |
| Turrialba | city | Provincia de Cartago | Costa Rica | 9.90 | -83.68 | 2096 | 23163 |
| Turrujal | city | Provincia de San Jose | Costa Rica | 9.93 | -84.07 | 3835 | 622206 |
| Turrúcares | city | Provincia de Alajuela | Costa Rica | 9.97 | -84.32 | 2155 | 68029 |
| Tziola | city | Provincia de Limon | Costa Rica | 9.55 | -83.28 | 3494 | 1043 |
| Túnsula | city | Provincia de Limon | Costa Rica | 9.38 | -83.15 | 6863 | 1044 |
| Túnsula | city | Provincia de Limon | Costa Rica | 9.50 | -82.97 | 334 | 1043 |