CFSU
| Acronym | Definition |
|---|---|
| CFSU | Canadian Forces Support Unit |
| CFSU | China Foundry Suppliers Union (China) |
| CFSU | Cosmic Functional Size Unit |
| CFSU | Centennial Forum Student Union (Loyola University Chicago; Illinois) |
| CFSU | Centralized Files and Scheduling Unit (US IRS) |
| CFSU | Council of Free Students Union (Nepal) |