| Rank | Abbreviation | Meaning |
|---|
| ***** | SSEA | Social Sciences Employees Association
| |
| ***** | SSEA | South and South East Asian
| |
| ***** | SSEA | Simple Single Engine Aircraft
| |
| **** | SSEA | Société Suisse des Études Africaines
| |
| **** | SSEA | Secondary Structure Element Alignment
| |
| **** | SSEA | Silver State Energy Association
| |
| **** | SSEA | System Safety Engineering Analysis
| |
| **** | SSEA | Stage-Specific Embryonic Antigen
| |
| **** | SSEA | Senate Subcommittee on the Evaluation of Administrators
| |
| **** | SSEA | Stanford Summer Engineering Academy
| |
| **** | SSEA | Society for the Study of Egyptian Antiquities
| |
| **** | SSEA | Sentry Security of East Africa
| |
| **** | SSEA | Secretary of State for External Affairs
| |
| **** | SSEA | CD44/stage-specific embryonic antigen
| |
| *** | SSEA | South Side Entrepreneurs Association
| |
| *** | SSEA | Society for the Study of Emerging Adulthood
| |
| *** | SSEA | Simple Single Engine Aeroplane
| |
| *** | SSEA | Science Society and the Environment of Africa
| |
| *** | SSEA | South Simcoe Economic Alliance
| |
| ** | SSEA | Sweet Sorghum Ethanol Association
| |
| ** | SSEA | Systems Safety Engineering Analyses
| |
| ** | SSEA | Southern and South East Arts
| |
| * | SSEA | Severn Sound Environmental Association
| |
| * | SSEA | Sand Springs Education Association
| |
| * | SSEA | Sceda Scene Editor Animator
| |