public, coeducational institution of higher learning in Portland, Oregon, U.S. It is part of the Oregon University System. The university includes colleges of liberal arts and sciences, urban and public affairs, and engineering and computer science; schools of business administration and fine and performing arts; and graduate schools of social work and education. In addition to undergraduate studies, the university offers a range of master's and doctoral degree programs. Research facilities include the Institute on Aging, the Center for Population Research and Census, and the Center for the Study of Mental Health Policy and Services. Total enrollment is approximately 18,000.

The university was founded in 1946 as the Vanport Extension Center. It was renamed Portland State College in 1955 and elevated to university status in 1969. It is located around the Park Blocks, a greenway for pedestrians and cyclists.