- CSUC(California State University Chico)
- CSUD(California State University, Dominguez Hills)
- CSUE(Communications for Subterranean and Urban Environments)
- CSUF(Central State University Foundation)
- CSUG(Canadian Society for Unconventional Gas)
- CSUGA(Connecticut State University Grant Aid)
- CSUGC(Colorado State University-Global Campus)
- CSUH(California State University, Hayward)
- CSUI(California State University, Channel Islands)
- CSUK(Chea Sim University of Kamchaymear)
- CSUL(Computer Supported Ubiquitous Learning)
- CSULB(California State University, Long Beach)
- CSUMB(California State University Monterey Bay)
- CSUMB-QRP(California State University Monterey Bay - Queretaro Research Project)
- CSUN(California State University Northridge)
- CSUO(Cadet Senior UnderOfficer)
- CSUP(California State University, Pomona (now California State Polytechnic University, Pomona))
- CSUQ(Communaute Sepharade Unifiee du Quebec)
- CSUR(Computing SURvey)
- CSURG(Chief Surgeon)
- CSUS(California State University, Sacramento)
- CSUSB(California State University, San Bernardino)
- CSUSM(California State University, San Marcos)
- CSUSTAN(California State University, Stanislaus)
- CSUT(Christian Students at University of Texas)
- CSUW(Computer Science, University of Washington)
- CSV(Crossville Memorial-Whitson Field)
- C.S.V.(Clerici Sancti Viatoris (Clerks, or Clerics, of St. Viateur))
