| SLN | ERNO Spacelab Payload 
| Others |
| SLN | Salina, Kansas USA
| Others |
| SLN | Saloon Car
| Others |
| SLN | Samples, Litanies, Nomenclature
| Others |
| SLN | Scania Logistics Netherlands
| Others |
| SLN | Schedule Line Number
| Others |
| SLN | School Leaders Network
| Others |
| SLN | Science Learning Network
| Others |
| SLN | Self Locking Nut
| Others |
| SLN | Senior Lending Network
| Others |
| SLN | Sentinel Lymph Node
| Others |
| SLN | Sequence Line Number
| Others |
| SLN | Sex Language and Nudity
| Others |
| SLN | Sex, Language, and Nudity
| Others |
| SLN | Sibling Leadership Network
| Others |
| SLN | Sign Language Network
| Others |
| SLN | Simple Living Network
| Others |
| SLN | Skin Like Nature
| Others |
| SLN | Sliplink Network USA
| Others |
| SLN | Solid lipid nanoparticles
| Others |
| SLN | Solution File
| Others |
| SLN | Somaliland Net
| Others |
| SLN | Special Learners Network
| Others |
| SLN | Special Local Need
| Others |
| SLN | Special Local Needs
| Others |
| SLN | Sri Lanka Navy
| Others |
| SLN | St Lawrence Nurseries
| Others |
| SLN | St. Lawrence Nurseries
| Others |
| SLN | Stacking Layer Number
| Others |
| SLN | Staffordshire Learning Net
| Others |
| SLN | State License Number
| Others |
| SLN | Straight Line
| Others |
| SLN | Student Leadership Network
| Others |
| SLN | Sub-Line Number
| Others |
| SLN | Subscribe Like Nonification
| Others |
| SLN | Subscriber Line Number
| Others |
| SLN | Suny Learning Network
| Others |
| SLN | Superior Laryngeal Nerve
| Others |
| SLN | Supreme Leaks News
| Others |
| SLN | Sybyl Line Notation
| Others |