| Election Name: | 2002 Connecticut State Senate election |
| Country: | Connecticut |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 2000 Connecticut State Senate election |
| Previous Year: | 2000 |
| Next Election: | 2004 Connecticut State Senate election |
| Next Year: | 2004 |
| Seats For Election: | All 36 seats in the Connecticut State Senate |
| Majority Seats: | 19 |
| Election Date: | November 5, 2002 |
| Leader1: | Kevin Sullivan |
| Party1: | Connecticut Democratic Party |
| Leader Since1: | January 8, 1997 |
| Leaders Seat1: | 5th |
| Last Election1: | 21 |
| Seats After1: | 21 |
| Leader2: | Louis DeLuca |
| Leader Since2: | 2001 |
| Party2: | Connecticut Republican Party |
| Leaders Seat2: | 32nd |
| Last Election2: | 15 |
| Seats After2: | 15 |
| Map Size: | 300px |
| President pro tempore of the Senate | |
| Before Election: | Kevin Sullivan |
| Before Party: | Democratic Party (United States) |
| After Election: | Kevin Sullivan |
| After Party: | Democratic Party (United States) |
The 2002 Connecticut State Senate elections took place as a part of the biennial 2002 United States elections. All 36 seats were up for re-election. Senators serve two year terms and are up for re-election every election cycle. The primary elections which took place on September 10, 2002, determined which candidates appeared on the ballot for the November 5th general election.[1]