Found 16,926 abbreviations starting with O:

Skip to:OOAOBOC - OEOF - OHOI - OKOL - ONOO - OQOR - OTOU - OWOX - OZ

OPRA

Ottawa Photonics Research Alliance

Community » Non-Profit Organizations

   
OPRA

Order Processing and Requisition Accelerator

Business » Accounting

   
OPRA

Obsolete Property Rehabilitation Act

Miscellaneous » Unclassified

   
OPRA

Ohio Provider Resource Association

Miscellaneous » Unclassified

   
OPRA

Outdoors Program/Recreational Athletics

Miscellaneous » Unclassified

   
OPREP

Operational Report

Governmental » Military

   
OPREP-1

(message format used for OPORD)

Governmental » Military

   
OPREP-2

(message format used for event/incident report)

Governmental » Military

   
OPRG

Oxygenated Fuels Program Reformulated Gasoline

Governmental » Transportation

   
OPRK

Rahim Yar Khan, Pakistan

Regional » Airport Codes

   
OPRK

in fantasy football = Opponent rank

Internet

   
OPRN

Islamabad-Chaklala, Pakistan

Regional » Airport Codes

   
OPROEPKRACHT

Oproepkrachten

Miscellaneous » Unclassified

   
OPROJ

Operational Project

Governmental » Military

   
OPRP

Office of Physical Resources & Planning

Academic & Science » Colleges & Universities

   
OPRQ

Shorekote Rafiqui Air Base, Pakistan

Regional » Airport Codes

   
OPRR

Office of Protection from Res. Risks

Medical » Human Genome

   
OPRR

Object Property Role Relationship

Computing » General

   
OPRR

Office for Protection for Research Risks

Academic & Science » Colleges & Universities

   
OPRS

Risalpur Air Base, Pakistan

Regional » Airport Codes

   
OPRT

Rawala Kot Airport / Air Base, Pakistan

Regional » Airport Codes

   
OPRV

Oxygen Pressure Relief Valve

Governmental » NASA

   
OPS

Office of Programme Services

Governmental » United Nations

   
OPS

Operations

Governmental » Military

   
OPS

Sinop, MT, Brazil

Regional » Airport Codes

   

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