| Rank | Abbreviation | Meaning |
|---|
| ***** | IPSF | International Physical Security Forum
| |
| **** | IPSF | INTERNATIONAL POLICE SECURITY FORCE
| |
| **** | IPSF | Indigenous Peoples Survival Foundation
| |
| **** | IPSF | Interim Police Security Force
| |
| *** | IPSF | International Poultry Scientific Forum
| |
| *** | IPSF | Inventário de Percepção de Suporte Familiar
| |
| * | IPSF | International Pharmaceutical Students Federation
| |
| * | IPSF | Interreligious Peace Sports Festival
| |
| * | IPSF | Indo Pacific Sea Farms
| |
| * | IPSF | Intellectual Property Strategy Forum
| |
| * | IPSF | Intensity Point Spread Function
| |
| * | IPSF | immunoglobulinproduction stimulating factor
| |
| * | IPSF | Internet Protocol Service Fabric
| |
| * | IPSF | Interim Public Security Force
| |
| * | IPSF | Inpatient Provider Specific File
| |
| * | IPSF | International Pencak Silat Federation
| |
| * | IPSF | Irvine Public School Foundation
| |
| * | IPSF | Interim Public Safety Force
| |
| * | IPSF | International Pharmacy Student Federation
| |
| * | IPSF | Intel Philipine Science Fair
| |
| * | IPSF | International Professional Service Firms
| |
| * | IPSF | immunoglobulin production stimulating factors
| |