| SSSS | Second Security Screening Selection 
| Others |
| SSSS | Secondary Security Screening Selection
| Others |
| SSSS | Selected for Secondary Security Screening
| Others |
| SSSS | Selected for Special Security Screening
| Others |
| SSSS | Shamir's Secret Sharing Scheme
| Others |
| SSSS | Singapore Structural Steel Society
| Others |
| SSSS | Sk Svc Stewart Stevenson
| Others |
| SSSS | Society for Social Studies of Science
| Others |
| SSSS | Society for the Scientific Study of Sexuality
| Others |
| SSSS | Sound Surround Soothe And Stimulate
| Others |
| SSSS | Sound Surround Soothe Stimulate
| Others |
| SSSS | Sounds Surround Soothe And Stimulate
| Others |
| SSSS | South Sound Sailing Society
| Others |
| SSSS | Space Shuttle System Specification
| Others |
| SSSS | SSSS Stands for Secondary Security
| Others |
| SSSS | SSSS Stands for Selected for Special
| Others |
| SSSS | SSSS Stands for Silent Sound
| Others |
| SSSS | SSSS Stands for Staphylococcal Scalded
| Others |
| SSSS | Stainless Steel Scatter Shield
| Others |
| SSSS | Stand Still Stay Silent
| Others |
| SSSS | Staphylococcal Scalded Skin Syndrome
| Others |
| SSSS | Staphylococcus Scalded Skin Syndrome
| Others |
| SSSS | Strange Sicknesses And Silly Syndromes
| Others |
| SSSS | Super Secret Security Screening
| Others |
| SSSS | Super Sexy Sassy Skeletons
| Others |
| SSSS | Super Sonic Samba School
| Others |
| SSSS | Super Special Sonic Search
| Others |
| SSSS | Superhuman Samurai Syber-Squad
| Others |