SACU
| Acronym | Definition |
|---|---|
| SACU | Southern African Customs Union |
| SACU | San Antonio Federal Credit Union (Texas) |
| SACU | San Antonio Credit Union (est. 1935; Texas) |
| SACU | Supplier Audit and Compliance Unit (National Security Council) |
| SACU | Scanner Air Conditioning Unit |
| SACU | Stand-Alone Digital Communications Unit |