SDIO
| Acronym | Definition |
|---|---|
| SDIO | Strategic Defense Initiative Organization |
| SDIO | Secure Digital Input/Output |
| SDIO | Secure Digital Input Output |
| SDIO | Securities (Disclosure of Interests) Ordinance |
| SDIO | Strategic Defense Initiative Office |
| SDIO | Serial Data Input/Output |
| SDIO | Space Defense Initiative Office |