The University of Wisconsin System is a state public university system in the U.S. state of Wisconsin. It is one of the largest public higher-education systems in the country, enrolling more than 160,000 students each year and employing approximately 41,000 faculty and staff statewide. The system is headquartered in the state capital of Madison.

The University of Wisconsin System comprises two major doctoral research universities, eleven other comprehensive universities, and eight two-year branch campuses. At its peak, the system had 14 two-year colleges, of which six have since been shut down. When comparing state and local funding per student given to two-year institutions, Wisconsin ranked 4th in the nation in 2023. This was in contrast to four-year institutions where Wisconsin ranked 42nd.