| Acronym | Definition |
|---|
| CLB | Club |
| CLB | Company Law Board (India) |
| CLB | Columbus Blue Jackets (NHL hockey) |
| CLB | Combat Logistics Battalion (US Marine Corps) |
| CLB | Configurable Logic Block (microchip technology) |
| CLB | Component Load Balancing (servers cluster architecture) |
| CLB | Centre Léon-Bérard (French cancer research center) |
| CLB | Clobazam |
| CLB | Church Lads Brigade |
| CLB | City of Long Beach (California) |
| CLB | Church of the Lutheran Brethren (Fergus Falls, MN) |
| CLB | Creepy Little Bastard (WWF) |
| CLB | Current Licensing Basis |
| CLB | Citrus Longhorned Beetle (Anoplophora chinensis) |
| CLB | Career Limiting Behaviour |
| CLB | Climb Detent of the Thrust Levers |
| CLB | Common Logic Board |
| CLB | Surf Clam (FAO species code) |
| CLB | Construction Lucchina Basso (French construction company) |
| CLB | Coal Lease Bonus |
| CLB | Calibrated LASIK Blade (MED-LOGICS, Inc) |
| CLB | Channel Level Balance |
| CLB | Cute Little Baby |
| CLB | Crash Locator Beacon |
| CLB | Corentin Le Bozec (French home improvement company) |
| CLB | Classroom and Laboratory Building |
| CLB | Chicago Longboards |
| CLB | Club Location Bar (motorcycle club insignia) |
| CLB | Caisses Lewandowski Bureautique (French: Lewandowski Cash Office) |
| CLB | Compagnie Laitière de Brocéliande (French dairy company) |
| CLB | Cyclo Loisir de la Bièvre (French cycling club) |
| CLB | Cute Little Bunnies |
| CLB | Capslock Bleach (online community) |
| CLB | Compagnie Charles Le Borgne (French shipping company; est. 1735) |
| CLB | Canada Learning Bond (Government of Canada education grant) |
| CLB | Cell Lysis Buffer |
| CLB | China Labor Bulletin (Hong Kong) |