| Acronym | Definition |
|---|
| BIOS | Basic Input/Output System |
| BIOS | Biographies |
| BIOS | Basic Input Output System |
| BIOS | British Institute of Organ Studies |
| BIOS | Built in Operating System |
| BIOS | Basic Input/Output Services |
| BIOS | Biometric Signature (biometrics) |
| BIOS | Biomedical Optics Society |
| BIOS | Biological Satellite |
| BIOS | British Intelligence Objectives Subcommittee |
| BIOS | Binary Operating System (computers) |
| BIOS | Biology Intensive Orientation for Students |
| BIOS | Basic Input/Output Set |
| BIOS | Biometrische Signatur |
| BIOS | Budget Interium Outfitting Spares (Navy) |