PNA

• Argentine Naval Prefecture
• HomePNA
• Ingrown nail
• John C. Haas
• National Anticorruption Directorate
• Neolithic
• New Alliance Party (Mexico)
• Pa-O National Army
• Pacific Northern Airlines
• Pacific-North American teleconnection pattern
• Pacific–North American teleconnection pattern
• Pakistan National Alliance
• Palestinian National Authority
• Pamplona Airport
• Paphinia
• Parisiensia Nomina Anatomica
• Parties to the Nauru Agreement
• Peanut agglutinin
• Pennsylvania Newspaper Association
• Peptide nucleic acid
• Personal Navigation Assistant
• Philippine Nurses Association
• Philippines News Agency
• Polish National Alliance
• Pre-nuptial agreement
• Proceedings of the National Academy of Sciences of the United States of America
• Project for Nuclear Awareness
• Protected Natural Area (disambiguation)
• section modulus
• sodium/phosphate cotransporter