| Abbreviation | Definition |
|---|---|
| SEED | Sustainable Enterprise Enabling Development |
| SEG | Select Employee Group |
| SEGIP | State Enviromantal Goals and Improvment Project |
| SEI | Special Expiration Index |
| SEIRI | Seiri, Seiton, Seiso, Seiketsu, Shitsuke |
| SEK | Seniseihin Eisei Kakogyokai |
| SEM | Search Engine Marketing |
| SEM | Sound and Efficient Management |
| SEM | Strategic Enterprise Management |
| SEMCI | Single Entry Multiple Company Interface |
| SENN | Sistema Electrônico de Negociação Nacional |
| SEP | Sector Expenditure Program |
| SEP | Separate |
| SEP | Simplified Employer Pension |
| SEP | Small Experimental Project |
| SEP | Standards Of Effective Practice |
| SEP | Strategic Excellence Position |
| SEPG | Site Engineering Process Group |
| SEPG | Software Engineering Process Group |
| SER | Service Employment and Redevelopment |