| Abbreviation | Definition |
|---|---|
| SDB | Safe Deposit Box |
| SDICPA | Shandong Institute of Certified Public Accountants |
| SDSCA | Sheffield District Society of Chartered Accountants |
| SDSCA | Sheffield & District Society of Chartered Accountants |
| SDT | Share Draft Transmittal |
| SDU | State Disbursement Unit |
| SDX | Secure Document eXchange |
| SEBUDA | Sell & Buy Your Digital Assets |
| SEC | US Securities and Exchange Commission |
| SECASS | South Eastern Chartered Accountant Students Society |
| SECASS | South Eastern Chartered Accountants' Student Society |
| SECPS | Securities and Exchange Commission Practice Section |
| SEDA | Standby Equity Distribution Agreement |
| SEEA | System of Environmental and Economic Accounting |
| SEEA | System of Environmental Economic Accounting |
| SEEAW | System Environmental Economic Accounting for Water |
| SEEAW | System of Environment and Economic Accounting for Water |
| SEEAW | System of Environmental and Economic Accounting for Water |
| SEEAW | System of Environmental Economic Accounting for Water |
| SEEPAD | South Eastern European Partnership on Accountancy Development |