The University of Oklahoma (OU) is a public research university serving as the flagship institution of the University of Oklahoma System, located primarily in Norman, Oklahoma, United States. Founded in 1890 in the Oklahoma Territory near Indian Territory, it operated for 17 years before Oklahoma became a state in 1907. As of Fall 2024, OU enrolls 34,523 students, mostly at its main Norman campus, and employs nearly 4,000 faculty members. The university offers extensive academic programs, including 174 baccalaureate degrees, 199 master's programs, 101 doctoral programs, and 88 certificate programs, with particular strengths in energy, petroleum engineering, business, meteorology, and geosciences.

OU is a member of the Association of American Universities (AAU) and is known for its research contributions, especially in energy and health sciences. It maintains additional campuses in Oklahoma City (Health Sciences Center) and Tulsa. Notable figures associated with OU include philanthropist Lynn Schusterman, who attended the university. The institution plays a significant role in the region's economy and education, particularly in energy-related fields given Oklahoma's oil and gas industry.

Contact information includes media relations at ounews@ou.edu and (405) 549-9238; general online inquiries at online@ou.edu; and main offices at Buchanan Hall, 1000 Asp Avenue, Norman, OK 73019.