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
• Pakistan National Alliance
• Palestinian National Authority
• Pamplona Airport
• Paphinia
• Parisiensia Nomina Anatomica
• Partido Nacional Agrarista
• Partidul Național-Agrar
• Parties to the Nauru Agreement
• Peanut agglutinin
• Pennsylvania NewsMedia Association
• People's National Army
• Peptide nucleic acid
• Personal navigation assistant
• Philippine News Agency
• Philippine Nurses Association
• Polish National Alliance
• Prenuptial agreement
• Proceedings of the National Academy of Sciences of the United States of America
• Protected Natural Area (disambiguation)