| Acronym | Definition |
|---|
| BISA➣British International Studies Association |
| BISA➣Borlaug Institute for South Asia (agriculture; India) |
| BISA➣British International Spa Association (UK) |
| BISA➣Black Women in Sisterhood for Action (Washington, DC) |
| BISA➣Battlefield Information System Application (Defence Digitisation, UK) |
| BISA➣Berkeley Indonesian Student Association |
| BISA➣Business Information Systems Association |
| BISA➣Business Integrity Systems Assessment |
| BISA➣Biometric Identification System for Access (US Army) |
| BISA➣Built-In Self Analysis |
| BISA➣Battlefield Information System Applications |
| BISA➣Bonding and Insurance Specialists Agency (Bridgeview, IL) |
| BISA➣Best IRIG (Inter-Range Instrumentation Group) Source Algorithm (global posisitioning system synchronization) |