Cleveland State Vikings men's basketball is the men's college basketball team that represents Cleveland State University. Prior to rebranding from Fenn College, they were known as the Fenn College Foxes. Cleveland State has been in Division I since 1972. They are a member of the Horizon League (1994–present) Cleveland State was formerly in the Mid-Continent Conference (1982–1994). Prior to 1982, Cleveland State was an independent program. The Vikings have appeared in three NCAA Tournaments, most recently in 2021. In 1986, Cleveland State advanced to the NCAA Sweet 16.

Cleveland State University (CSU) is a public research university in Cleveland, Ohio, United States. It was established in 1964 and opened for classes in 1965 after acquiring the entirety of Fenn College, a private school that had been in operation since 1923. CSU absorbed the Cleveland-Marshall School of Law in 1969. Today it is part of the University System of Ohio, has more than 120,000 alumni, and offers over 200 academic programs amongst eight colleges. It is classified among "R2: Doctoral Universities – High research activity".