The meaning of the Acronym NIO is...

NIO is

• Nuveen Insured Municipal Opportunity Fund

More Meanings For NIO:

• New Input/ Output
• National Institute of Oceanography
• National Institute of Oceanography
• Not In Order
• Nuveen Insured Municipal Opportunity Fund
• New Initiatives Office
• New Initiatives Office
• New Initiatives Office
• New Initiatives Office
• New Imperial Order
• Nioki, Zaire
• Nicaragua Cordoba

NIO is also in:

• Accounting
• Airport Codes
• Currencies
• Military
• NASA
• NYSE Symbols
• Ocean Science
• Software
• Transportation
• Universities
• US Government