| IABS | Information about Brokerage Services 
| Others |
| IABS | Integrated Access Billing System
| Others |
| IABS | Intelligent Antilock Braking System
| Others |
| IABS | International Alliance for Biological Standardization
| Others |
| IABs | International Association for Biologicals
| Others |
| IABS | International Association for Business and Society
| Others |
| IABS | International Association of Buddhist Studies
| Others |
| IABS | International Association of Byron Societies
| Others |
| IABS | Irish American Building Society
| Others |
| IABS | Irish Association of Barbershop Singers
| Others |