| 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) |