ACLU of Pennsylvania | 3,509 followers on LinkedIn. We are the ACLU's Pennsylvania affiliate, defending the Constitution and the Bill of Rights through litigation, advocacy, and community education and outreach. The American Civil Liberties Union of Pennsylvania is a nonprofit, nonpartisan, membership organization dedicated to defending and expanding individual rights and personal freedoms throughout the entire state of Pennsylvania. Through advocacy, public education and litigation, our staff and volunteers work to preserve and enhance liberties grounded in the United States and Pennsylvania constitutions and civil rights laws.