| CLB | Calculate Lower Bound 
| Others |
| CLB | Canada Language Benchmarks
| Others |
| CLB | Canada Learning Bond
| Others |
| CLB | Canadian Language Benchmark
| Others |
| CLB | Canadian Language Benchmarks
| Others |
| CLB | Canadian Learning Bank
| Others |
| CLB | Carney Logan Burke
| Others |
| CLB | Cdr Label
| Others |
| CLB | Centrally Located Building
| Others |
| CLB | Certified Lover Boy
| Others |
| CLB | Check List Box
| Others |
| CLB | Chemistry Lab Building
| Others |
| CLB | Chest Lock Belt
| Others |
| CLB | China Labour Bulletin
| Others |
| CLB | Christian Likes Blondes
| Others |
| CLB | Christie Landman Boerdery
| Others |
| CLB | Chrysler Le Baron
| Others |
| CLB | Church Lads Brigade
| Others |
| CLB | Church of the Lutheran Brethren
| Others |
| CLB | Citrus Longhorned Beetle
| Others |
| CLB | Classic Load Balancer
| Others |
| CLB | Classroom Laboratory Building
| Others |
| CLB | Client-Side Load Balance
| Others |
| CLB | Climb
| Others |
| CLB | Clipbook template (Super NoteTab)
| Others |
| CLB | Cloud Load Balancer
| Others |
| CLB | Clubman
| Others |
| CLB | Cluster Load Balancing
| Others |
| CLB | Color Book
| Others |
| CLB | Columbia Lighthouse For the Blind
| Others |
| CLB | Column List Box
| Others |
| CLB | Combat Logistics Battalion
| Others |
| CLB | Combinatorial Logic Block
| Others |
| CLB | Common Logic Board
| Others |
| CLB | Company Law Board
| Others |
| CLB | Component Load Balancing
| Others |
| CLB | Configurable Logic Block
| Others |
| CLB | Configurable Logical Block
| Others |
| CLB | Container Logistics Bettembourg
| Others |
| CLB | Content Link Break
| Others |
| CLB | Corel Library
| Others |
| CLB | Creepy Little Bast
| Others |
| CLB | Crushed Lower Back
| Others |