CISU

AcronymDefinition
CISUCentro Italiano Studi Ufologici (Italian: Italian Center for Unidentified Flying Object Studies)
CISUCentral Intelligence and Security Unit (Sierra Leone)
CISUCongregation Israelite Sepharade Unifiee (French: Unified Sephardic Israelite Congregation; Brussels, Belgium)
CISUClinical Information Science Unit (University of Leeds; UK)
CISUCombat Information Systems Unit
CISUCorporate Information Security Unit