| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Fabyan | city | Connecticut | United States | 42.01 | -71.94 | 354 | |
| Fair Haven | city | Connecticut | United States | 41.31 | -72.90 | 3 | |
| Fair Haven East | city | Connecticut | United States | 41.30 | -72.89 | 98 | |
| Fair Lawn | city | Connecticut | United States | 41.55 | -73.00 | 830 | |
| Fairchild Heights Trailer Park | city | Connecticut | United States | 41.27 | -73.13 | 200 | |
| Fairfield | city | Connecticut | United States | 41.14 | -73.26 | 49 | |
| Fairmount | city | Connecticut | United States | 41.59 | -73.06 | 344 | |
| Falls Village | city | Connecticut | United States | 41.96 | -73.36 | 830 | |
| Farmington | city | Connecticut | United States | 41.72 | -72.83 | 278 | |
| Farmington Station | city | Connecticut | United States | 41.72 | -72.86 | 242 | |
| Farnhams | city | Connecticut | United States | 41.86 | -72.56 | 134 | |
| Fenwick | city | Connecticut | United States | 41.27 | -72.35 | 6 | |
| Fenwood | city | Connecticut | United States | 41.27 | -72.37 | 0 | |
| Fernridge Place | city | Connecticut | United States | 41.77 | -72.74 | 98 | |
| Fernwood Estates | city | Connecticut | United States | 41.46 | -72.90 | 164 | |
| Firetown | city | Connecticut | United States | 41.91 | -72.82 | 308 | |
| Fitch Corner | city | Connecticut | United States | 41.45 | -72.11 | 72 | |
| Fitchville | city | Connecticut | United States | 41.56 | -72.15 | 265 | |
| Five Points | city | Connecticut | United States | 41.32 | -73.36 | 830 | |
| Five Points | city | Connecticut | United States | 42.00 | -72.80 | 282 | |
| Flanders | city | Connecticut | United States | 41.37 | -72.22 | 82 | |
| Flanders | city | Connecticut | United States | 41.74 | -73.46 | 830 | |
| Flanders (historical) | city | Connecticut | United States | 41.30 | -72.60 | 95 | |
| Flax Hill Elderly Housing | city | Connecticut | United States | 41.82 | -72.53 | 200 | |
| Floral Park | city | Connecticut | United States | 41.32 | -72.36 | 3 | |
| Floydville | city | Connecticut | United States | 41.93 | -72.78 | 196 | |
| Fogelmarks Corners | city | Connecticut | United States | 41.60 | -72.60 | 134 | |
| Foley (historical) | city | Connecticut | United States | 42.02 | -73.37 | 830 | |
| Foote Corners | city | Connecticut | United States | 41.76 | -72.76 | 183 | |
| Forbes Village | city | Connecticut | United States | 41.73 | -72.60 | 98 | |
| Forest Heights | city | Connecticut | United States | 41.24 | -73.04 | 68 | |
| Forest Village | city | Connecticut | United States | 41.75 | -72.60 | 88 | |
| Forestville | city | Connecticut | United States | 41.68 | -72.92 | 239 | |
| Fort Trumbull | city | Connecticut | United States | 41.21 | -73.06 | 0 | |
| Fort Trumbull | city | Connecticut | United States | 41.34 | -72.09 | 0 | |
| Four Corners | city | Connecticut | United States | 41.45 | -72.19 | 337 | |
| Four Corners | city | Connecticut | United States | 41.63 | -72.46 | 413 | |
| Fox Hill | city | Connecticut | United States | 41.30 | -73.48 | 830 | |
| Fox Hollow | city | Connecticut | United States | 41.52 | -72.88 | 232 | |
| Fox Hollow | city | Connecticut | United States | 41.53 | -72.87 | 167 | |
| Fox Meadows | city | Connecticut | United States | 41.61 | -72.69 | 141 | |
| Foxon | city | Connecticut | United States | 41.32 | -72.84 | 75 | |
| Franklin | city | Connecticut | United States | 41.61 | -72.15 | 830 |