The Pennsylvania General Assembly is the legislature of the U.S. commonwealth of Pennsylvania. The legislature convenes in the State Capitol building in Harrisburg. In colonial times (1682–1776), the legislature was known as the Pennsylvania Provincial Assembly and was unicameral. Since the Constitution of 1776, the legislature has been known as the General Assembly. The General Assembly became a bicameral legislature in 1791.

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The General Assembly has 253 members, consisting of a Senate with 50 members and a House of Representatives with 203 members, making it the second-largest state legislature in the nation and the largest full-time legislature.

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Senators are elected for a term of four years. Representatives are elected for a term of two years.Senators must be at least 25 years old and Representatives at least 21 years old. Senators and Representatives must be citizens and residents of the state for a minimum of four years and reside in their districts for at least one year.