This list of tallest buildings in Connecticut ranks the tallest skyscrapers in Connecticut by height, that stand at least 80 meters (262 feet). The tallest building is City Place I in Hartford, built in 1984, which stands at 163 meters (535 feet). With 38 stories, it is also the building with the most floors.
| Rank | Name | City | Height (feet/meters) | Floors | Year constructed | Notes |
|---|---|---|---|---|---|---|
| 1 | City Place I | Hartford | 534.8 / 163 | 38 | 1984 | Tallest building in Hartford |
| 2 | Travelers Tower | Hartford | 528.2 / 161 | 24 | 1919 | |
| 3 | Goodwin Square | Hartford | 521.7 / 159 | 30 | 1989 | |
| 4 | Mohegan Sun | Uncasville | 486 / 148.5 | 34 | 2002 | |
| 5 | Hartford 21 | Hartford | 439.6 / 134 | 36 | 2006 | |
| 6 | Connecticut Financial Center | New Haven | 383 / 117 | 26 | 1990 | Tallest building in New Haven |
| 7 | Bank of America Building | Hartford | 360.9 / 110 | 26 | 1967 | |
| 8 | 280 Trumbull Street | Hartford | 347.8 / 106 | 28 | 1984 | |
| 9 | One Financial Plaza | Hartford | 344.6 / 102 | 26 | 1975 | |
| 10 | 360 State Street | New Haven | 338 / 103 | 31 | 2010 | Currently under construction; topped out on December 11, 2009.[1] |
| 11 | Knights of Columbus Building | New Haven | 321 / 98 | 23 | 1969 | |
| 12 | Cathedral of Saint Joseph | Hartford | 285.4 / 87 | 1962 | ||
| 13 | Bushnell Tower | Hartford | 262.5 / 80 | 28 | 1969 |