| Acronym | Meaning |
| CREST | California Renewable Energy Small Tariff |
| CREST | Career Related Experience In Science and Technology (US Army Materiel Command) |
| CREST | CIA (Central Intelligence Agency) Records Search Tool |
| CREST | Civilian Recognition, Employee Services and Training |
| CREST | Combat Radio Environment Simulator & Trainer |
| CREST | Combat Readiness By Electronic Service Testing |
| CREST | Common Research Environment STAP Technology |
| CREST | Consolidated Reporting & Evaluating System, Tactical |
| CREST | Consolidated Reporting of Earthquakes and Tsunamis |
| CREST | Contingency Real Estate Support Team (Army unit that deploys to assist US forces with using foreign real estate) |
| CREST | Covert Reconnaissance/Strike |
| CREST | Crown Court Electronic Support System (UK) |