| Election Name: | 2010 Pennsylvania Senate election |
| Country: | Pennsylvania |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 2008 Pennsylvania Senate election |
| Previous Year: | 2008 |
| Next Election: | 2012 Pennsylvania Senate election |
| Next Year: | 2012 |
| Seats For Election: | All even-numbered seats in the Pennsylvania State Senate |
| Majority Seats: | 26 |
| Election Date: | November 2, 2010 |
| Leader1: | Joe Scarnati |
| Party1: | Republican Party (United States) |
| Leaders Seat1: | 25th district |
| Last Election1: | 30 |
| Seats1: | 15 |
| Seats After1: | 30 |
| Leader2: | Bob Mellow |
| Party2: | Democratic Party (United States) |
| Leaders Seat2: | 22nd District |
| Last Election2: | 20 |
| Seats2: | 10 |
| Seats After2: | 20 |
| Map Size: | 350px |
The 2010 elections for the Pennsylvania State Senate were held on November 2, 2010, with the even-numbered districts contested. Necessary primary elections were held on May 18, 2010.[1] The term of office for those elected in 2010 run from January 4, 2011 until November 30, 2014. State Senators are elected for four year terms, with half of the seats in the Senate up for election every two years.
| Affiliation | Members | ||
|---|---|---|---|
| Democratic | 20 | ||
| Republican | 30 | ||
| Total | 50 | ||