The meaning of the Acronym ISU is...

ISU is

• Instrument Switching Unit
• International System of Units

More Meanings For ISU:

• International Space University
• Illinois State University
• Indiana State University
• Iowa State University
• Independent Study Unit
• Idiot Squad Unit
• I Support Usagi
• Infinite Song Until
• Independant Study Unit
• Intelligent Switch Unit
• Information Services Unlimited
• Independent Site Unit
• Instrument Switching Unit
• International System of Units
• Internal Airlift / Helicopter Slingable Container Unit

ISU is also in:

• Adults
• Firms
• Funnies
• Military
• NASA
• Transportation
• Unfiled
• Universities