| Acronym | Definition |
|---|
| RAB➣Rapid Action Battalion (Bangladesh) |
| RAB➣Rabobank (Tour de France cycling sponsor) |
| RAB➣Regulatory Asset Base |
| RAB➣Reichsautobahn (German: Highway of the Reich) |
| RAB➣Radio Advertising Bureau |
| RAB➣Rhythm and Blues |
| RAB➣Radio Receiver (high frequency; US Navy) |
| RAB➣Range and Bearing |
| RAB➣Restoration Advisory Board |
| RAB➣Rotary Air Blast (mining) |
| RAB➣Registrar Accreditation Board (ANSI) |
| RAB➣Ready Alert Brakes |
| RAB➣Radio Access Bearers |
| RAB➣Resource Accounting and Budgeting |
| RAB➣Regionalverkehr Alb-Bodensee GmbH (German) |
| RAB➣RAID Advisory Board |
| RAB➣Rabaul, Papua New Guinea - Lakunai (Airport Code) |
| RAB➣Resistivity-at-the-Bit (measuring tool) |
| RAB➣Royal Academy of Ballet |
| RAB➣Regional Activities Board (IEEE) |
| RAB➣Radio Access Bearer |
| RAB➣Regulus A. Black (Harry Potter 6) |
| RAB➣Residential Advisory Board (various schools) |
| RAB➣Radio Aomori Broadcasting (Japan) |
| RAB➣Red, Amber and Black (Bradford Bulls Rugby League fans forum) |
| RAB➣Retail Advisory Board (various organizations) |
| RAB➣Remote Afterloading Brachytherapy |
| RAB➣Retarded Animal Babies |
| RAB➣Renewal At Birth |
| RAB➣Rest Assured Bodyworks (Canada) |
| RAB➣Report Acceptance Body (accounting) |
| RAB➣Postal Tax Semipostal (Scott Catalogue prefix; philately) |
| RAB➣Regulatory Affairs Branch (National Cancer Institute) |
| RAB➣Regional Accountability Bureau (Pakistan) |
| RAB➣Recycling Advisory Board (various locations) |
| RAB➣Random Access Burst |
| RAB➣Rembo Auto-Backup |
| RAB➣Restricted Area Badge |
| RAB➣Rectangular Array Beamformer |
| RAB➣Resident Authority Board |
| RAB➣Risk Assessment Board (various organizations) |
| RAB➣Réseau Africain de Biosciences (French: African Biosciences Network) |
| RAB➣Risk Assurance Board (Elexon Ltd.; UK) |