The meaning of the Acronym DIO is...

DIO is

• Duty Intelligence Officer

More Meanings For DIO:

• Database Interface Object
• Data Input Output
• Data Information Opinion
• Days Inventory On-hand
• Diodes, Inc.
• Duty Intelligence Officer
• Director of Industrial Operations
• Defense Industries Organization
• Do It Ourselves
• Little Diomede Island, Alaska USA

DIO is also in:

• Accounting
• Airport Codes
• AMEX Symbols
• Databases
• Educational
• FBI Files
• General
• Military
• Unfiled