Found 21,913 abbreviations starting with O:

OPA

Other Procurement, Army

Governmental » US Government

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OPA

Other Procurement, Army

Governmental » Military

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OPA

Other Procurement Authority

Governmental » Military

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OPA

Kopasker, Iceland

Regional » Airport Codes

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OPA

OroPharyngeal Airway

Medical » Physiology

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OPA

Psion OPL Object file

Computing » File Extensions

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OPA

Oil Pollution Act of 1990

Governmental » Transportation

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OPA

Oral Proficiency Assessment

Academic & Science » Universities

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OPA

Official Police Action

Community » Law & Legal

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OPA

Outcome, Purpose, Action

Governmental » FDA

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OPA

Oil Producers Association

Business » Professional Organizations

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OPA

Overseas Performing Artist

Business » Occupation & Positions

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OPA

Online Personal Access

Internet

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OPA

Office of Population Affairs (Department of Health and Human Services)

Governmental » US Government

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OPA

Ohio Psychological Association

Business » Professional Organizations

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OPA

Oklahoma Psychological Association

Business » Professional Organizations

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OPA

Online Privacy Alliance

Computing » Security

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OPA

Oregon Pilots Association

Business » Professional Organizations

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OPA

Office of Population Affairs

Governmental

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OPA

Oregon Psychological Association

Business » Professional Organizations

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OPA

Children's Online Privacy Protection Act of 1998

Governmental » US Government

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OPA

Children's Online Privacy Protection Act of 1998

Community » Law & Legal

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OPA

Online Publishers Association

Business » Companies & Firms

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OPA

Outcome, Purpose, and Action

Business » General

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OPA

Other Principle Arterial

Business » Products

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