| Election Name: | 2014 Connecticut Senate elections |
| Country: | Connecticut |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 2012 Connecticut State Senate election |
| Previous Year: | 2012 |
| Election Date: | November 4, 2014 |
| Next Election: | 2016 Connecticut State Senate election |
| Next Year: | 2016 |
| Seats For Election: | All 36 seats in the Connecticut State Senate |
| Majority Seats: | 19 |
| Leader1: | Donald Williams |
| Party1: | Democratic Party (United States) |
| Leader Since1: | July 1, 2004 |
| Leaders Seat1: | 29th |
| Last Election1: | 22 |
| Seats1: | 21 |
| Seat Change1: | 1 |
| Leader2: | John McKinney |
| Leader Since2: | June 2007 |
| Party2: | Republican Party (United States) |
| Leaders Seat2: | 28th |
| Last Election2: | 14 |
| Seats2: | 15 |
| Seat Change2: | 1 |
| Map Size: | 300px |
| President pro tempore of the Senate | |
| Before Election: | Donald Williams |
| Before Party: | Democratic Party (United States) |
| After Election: | Donald Williams |
| After Party: | Democratic Party (United States) |
The 2014 Connecticut Senate election was held on November 4, 2014, concurrently with the elections for the Connecticut House of Representatives, to elect members to the Connecticut General Assembly. All 36 seats in the Connecticut Senate were up for election. Republicans gained one seat from the Democrats.