| PNA | Network Analyzers 
| Others |
| PNA | P-Nitro-Anilide
| Others |
| PNA | Pacific North American
| Others |
| PNA | Pacific Northern Academy
| Others |
| PNA | Pacific Northwest Associates, LLC
| Others |
| PNA | Pacific Northwest Association
| Others |
| PNA | Pacific/ North American
| Others |
| PNA | Pacific/North American
| Others |
| PNA | Pages Needing Attention
| Others |
| PNA | Pakistan National Alliance
| Others |
| PNA | Palestine National Authority
| Others |
| PNA | Palestine News Agency
| Others |
| PNA | Palestinian National Authority
| Others |
| PNA | Pamplona, Spain
| Others |
| PNA | Paraffins Naphthenes and Aromatics
| Others |
| PNA | Paraffins Naphthenes Aromatics
| Others |
| PNA | Paris Nomina Anatomica
| Others |
| PNA | Partial Nail Avulsion
| Others |
| PNA | Parties to Nauru Agreement
| Others |
| PNA | Parties to the Nauru Agreement
| Others |
| PNA | Parts Not Available
| Others |
| PNA | Passed Not Advanced
| Others |
| PNA | Patronato Nacional Antituberculoso
| Others |
| PNA | Pennsylvania NewsMedia Association
| Others |
| PNA | Pennsylvania Newspaper Association
| Others |
| PNA | Peptide Nucleic Acid
| Others |
| PNA | Peptide Nucleic Acids
| Others |
| PNA | Percutaneous Needle Aspiration
| Others |
| PNA | Performance Network Analyzer
| Others |
| PNA | Peripheral Narrative Analysis
| Others |
| PNA | Personal Navigation Assistant
| Others |
| PNA | Personal Needs Allowance
| Others |
| PNA | Perth Netball Association
| Others |
| PNA | Pharmaceutical Needs Assessment
| Others |
| PNA | Philippine Neurological Association
| Others |
| PNA | Philippine News Agency
| Others |
| PNA | Philippine Nurses Association
| Others |
| PNA | Philippines News Agency
| Others |
| PNA | Phinney Neighborhood Association
| Others |
| PNA | Phinney Neighborhood Associations
| Others |
| PNA | Phone Network Alliance
| Others |
| PNA | Phoneline Network Adapter
| Others |
| PNA | Phoneline Networking Alliance
| Others |
| PNA | Photo Nightscape Awards
| Others |
| PNA | Physical Needs Assessment
| Others |
| PNA | Physician Network Advantage
| Others |
| PNA | Pituitary Network Association
| Others |
| PNA | Planned Not Authorized
| Others |
| PNA | PNA Network Analyzer
| Others |
| PNA | Podiatrist Needs Alcohol
| Others |
| PNA | Policia Nacional de Angola
| Others |
| PNA | Polish National Alliance
| Others |
| PNA | Porsche North America
| Others |
| PNA | Portable Network Analyzer
| Others |
| PNA | Portable Network Audio
| Others |
| PNA | Positive/Negative Anomaly
| Others |
| PNA | Possessive Noun Adjective
| Others |
| PNA | Post-Natal Age
| Others |
| PNA | Preferred Network Access
| Others |
| PNA | Prevention Needs Assessment
| Others |
| PNA | Primes Non Acquises
| Others |
| PNA | Principles of Naval Architecture
| Others |
| PNA | Private Network Adapter
| Others |
| PNA | Probability Networks and Algorithms
| Others |
| PNA | Professional National Accountant (Australia)
| Others |
| PNA | Professional Network on Aging
| Others |
| PNA | Professor Nijssen Associates
| Others |
| PNA | Program Neighborhood Agent
| Others |
| PNA | Programmable Network Access
| Others |
| PNA | Progressive Network Academy
| Others |
| PNA | Progressive Networks Audio
| Others |
| PNA | Progressive Neuronal Abiotrophy
| Others |
| PNA | Protein Nucleic Acid
| Others |
| PNA | Psychiatric Nurses Association
| Others |
| PNA | Pulmonary Nodular Amyloidosis
| Others |
| PNA | Puria Nafisi Azizi
| Others |
| PNA | Purine Nucleoside Analogue
| Others |