The oldest public university in the United States is the University of Pittsburgh, located in Pennsylvania.

The oldest public institution in the United States is the Institution of Pittsburgh, which is situated in Pennsylvania and was founded in 1787. Initially established as the Pittsburgh Academy, it was instrumental in promoting education in the fledgling country. It is renowned for its contributions to research, innovation, and community development and has a long history of academic success. In 1966, it became a public institution. The university is a leader in higher education because of its strong emphasis on engineering, healthcare, and the liberal arts. It is a pillar of American academics due to its historical relevance and ongoing influence.