• What does OIRR Stand For in Government & Military ?

  For OIRR we have found 2 definitions.

• What does OIRR mean? We know 2 definitions for OIRR abbreviation or acronym in 1 categories. Possible OIRR meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. Please look for them carefully.

OIRR Stands For: