CHAB
| Acronym | Definition |
|---|---|
| CHAB | Chemistry and Applied Biosciences (various universities) |
| CHAB | Confederate Historical Association of Belgium (Brussels, Belgium) |
| CHAB | Cyanobacterial Harmful Algal Blooms |
| CHAB | Centre for the Human-Animal Bond (Purdue University School of Veterinary Medicine; West Lafayette, IN) |