Governmental & Military Abbreviations and Acronyms
- APAmmoral Politics
- APAutobusni Promet (Croatian: Shareholding for Transport of Passengers)
- APApproved Permit
- APArmed Forces Pacific
- AP-IArmor Piercing Incendiary
- AP-MINEAnti-Personnel Mine
- AP-PAdvanced Plans and Programs
- AP/JAstrophysical Journal
- AP1AVIATION PILOT 1ST CLASS
- AP2AVIATION PILOT 2ND CLASS
- AP3AVIATION PILOT 3RD CLASS PETTY OFFICER
- APAAlkaline Phosphatase Activity
- APAAmerican Pharmaceutical Association
- APAAlaska Power Administration
- APAAllowance for Project Adjustment
- APAAntenna Pointing Assembly
- APAAsian Pacific American
- APAAssociation of Police Authorities
- APAAttack Transport
- APAApache Railway Company
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