| Rank | Abbreviation | Meaning |
|---|
| ***** | APSN | Asian Pacific Society of Nephrology
| |
| ***** | APSN | Association of Persons with Special Needs
| |
| **** | APSN | Asian Pacific Support Network
| |
| **** | APSN | Asian-Pacific Society for Neurochemistry
| |
| **** | APSN | Associazione Pisana Scienze Naturali
| |
| **** | APSN | Asociación Pro Salud del Niño
| |
| *** | APSN | Asia Pacific Society for Neurochemistry
| |
| *** | APSN | Asia Pacific Solidarity Network
| |
| *** | APSN | Asian Peoples Security Network
| |
| ** | APSN | Advanced Passive Safety Network of Excellence
| |
| ** | APSN | Atlantic Packet Satellite Network
| |
| ** | APSN | Applied Neurosolutns (OTC Bulletin Board [OTCBB])
| |
| ** | APSN | Association Package Sequence Number
| |
| * | APSN | Allied Pacific Sports Network
| |
| * | APSN | Arizona Public Safety News
| |
| * | APSN | Adverse Possession Speakers Notes
| |
| * | APSN | APEC Port Service Network
| |
| * | APSN | Advanced Passive Safety Network
| |
| * | APSN | Asia Pacific Shorebird Network
| |