Government Abbreviations and Acronyms

1. IORARC
   Indiangocean Rim Association for Regional Cooperation
2. IORBA
   Inter-Organizational Role-Based Access
3. IORI
   Internazional Organisations Research Institute
4. IOS
   International Organizations
5. IOS
   Iostructor/Operator Station
6. IOS
   Integratedzobservation System
7. IOS
   International Organisations
8. IOSC
   International Oil Spill Conference
9. IOSC
   Industrial Occupational Safety Council
10. IOSS
    Interagency Opsec Support Staff
11. IOSS
    Investigative and Operations Support Section
12. IOT
    Information Operations Team
13. IOTA
    Intra-European Organisation of Tax Administrations
14. IOTA
    Intra-European Organization of Tax Administrations
15. IOTA
    Intra-European Organization of Tax Administration
16. IOTC
    International Olympic Truce Centre
17. IOTV
    Interoffice Transfer Voucher
18. IOTW
    I Own The World
19. IOTY
    Indian of The Year
20. IOU
    Inrerim Opcon Update

Last updated: February 21, 2022 — Total entries: 62,888