Governmental & Military Abbreviations and Acronyms

1. ORNL
   Oak Ridge National Laboratory's
2. ORNL/ACL
   Ornl/Advanced Computing Laboratory
3. ORO
   Original Reusable Object
4. OROX
   United States Department of Energy
5. ORPA
   Operational Readiness and Performance Assurance
6. ORPD
   Oak Ridge Police Department
7. ORPO
   OrdnungsPolizei (Order police)
8. ORR
   Operadora Turistica Aurora
9. ORR
   Oak Ridge Reservation
10. ORR
    Office of Refugee Resettlement
11. ORR
    Operational Readiness Review
12. ORROE
    Occasional Reports of the Royal Observatory, Edinburgh
13. ORS
    Operations Research Service
14. ORS
    Oral Rehydration Salts
15. ORS
    Obstruction Repository System
16. ORS
    Operational Research Section
17. ORS
    Oregon Revised Statutes
18. ORS
    Others
19. ORS
    Orbital Refueling System
20. ORS
    Offensive Radar Set

Last updated: May 24, 2020 — Total entries: 74,797