The 2020 elections for the Pennsylvania House of Representatives was held on November 3, 2020, with all districts being decided. The term of office for those that were elected in 2020 began when the House of Representatives convened in January 2021. Pennsylvania State Representatives were elected for two-year terms, with all 203 seats up for election every two years. The election was coincided with the 2020 United States presidential election, United States House of Representatives elections, and one-half of the State Senate.

The 2020 elections for the Pennsylvania State Senate were held on November 3, 2020, with 25 of 50 districts being contested. Primary elections were held on June 2, 2020. The term of office for those elected in 2020 began when the Senate convened in January 2021. Pennsylvania State Senators are elected for four-year terms, with half of the seats up for election every two years. The election coincided with the 2020 United States presidential election, United States House of Representatives elections, and the entirety of the Pennsylvania House of Representatives.