Joe Scarnati Republican Joe Scarnati Republican The 2016 elections for the Pennsylvania State Senate were held on November 8, 2016, with all odd-numbered districts being contested.

The term of office for those elected in 2016 began when the Senate convened in January 2017.

Pennsylvania state senators are elected to four-year terms, with 25 of the 50 seats contested every two years.

This was the most recent Pennsylvania senate election in which the Republican party gained seats.

A special election was held on April 26, 2016, to fill the vacancy created by the resignation of Dominic Pileggi on January 5, 2016, after his election to a county judgeship.