Ohio Wesleyan University (also Wesleyan or OWU) is a private, coeducational, selective liberal arts college located in Delaware, Ohio, 20 miles north of Columbus, Ohio, the capital of the state of Ohio in the United States.

Ohio Wesleyan University's charter provides that "the University is forever to be conducted on the most liberal principles" . Various college publications such as Loren Pope's, Barron's, Princeton Review and the U.S. News and World Report place Wesleyan in the top ranks of private liberal arts colleges in the United States for 2005.

Wesleyan is a member of the Great Lakes Colleges Association and the Five Colleges of Ohio, a consortium of liberal arts colleges in Ohio: Kenyon College, Oberlin College, College of Wooster and Denison University. Ohio Wesleyan University is now independent and makes no religious demands on its students. Students come from about 44 states and about 47 foreign nations.