The meaning of the Acronym OIR is...

OIR is

• Operational and Information Requirements

More Meanings For OIR:

• Online Insert and Removal
• Office of Institutional Research
• Office of Instructional Resources
• Optima Investment Research
• Operational and Information Requirements
• Operations Integration Review
• Okushiri, Japan
• Organización Internacional para los Refugiados

OIR is also in:

• Airport Codes
• Firms
• Hardware
• Military
• NASA
• Spanish
• Universities