| Acronym | Definition |
|---|
| SSL | Secure Sockets Layer (Netscape; web security protocol) |
| SSL | Solid-State Lighting |
| SSL | Solid State Logic |
| SSL | Stainless Steel |
| SSL | Student Service Learning |
| SSL | South Salt Lake (Salt Lake City, UT) |
| SSL | Software Systems, LLC (Oman) |
| SSL | Small Size League (RoboCup) |
| SSL | Societá Sportiva Lazio (Italian sports club) |
| SSL | Short Shelf Life (retail) |
| SSL | Software Support Library |
| SSL | Secure Sockets Layer |
| SSL | Single Server License |
| SSL | Software Site License |
| SSL | Server Side Locking |
| SSL | Silicon Systems Limited |
| SSL | Space Sciences Laboratory |
| SSL | Single Straight Line |
| SSL | Sacrospinous Ligament |
| SSL | Saitama Seibu Lions (Japanese baseball team) |
| SSL | Solid State Laser |
| SSL | Social Services Law |
| SSL | Soil Survey Laboratory |
| SSL | Sodium Stearoyl Lactylate (food grade emulsifier) |
| SSL | Space Systems Loral |
| SSL | Licentiate in Sacred Scripture (religious) |
| SSL | Short Sale Listing (real estate) |
| SSL | Standards for School Leaders |
| SSL | Space Systems Laboratory |
| SSL | Steam Ship Line |
| SSL | Scientific Services Laboratory |
| SSL | Schueler, Studenten, Lehrer (German: Pupils, Students, Teachers) |
| SSL | Sisters of St. Louis (Catholic organization) |
| SSL | Shonan Shinjuku Line (passenger railway service; Japan) |
| SSL | Sub Surface Line (transportation; London, UK) |
| SSL | Scheitel-Steiß-Länge (German; gynaecology, obstetrics) |
| SSL | Simsynth Live (fruityloops studio generator plugin) |
| SSL | Samsung Super League (jumping competition) |
| SSL | South Slavic (linguistics) |
| SSL | System Specification Language |
| SSL | Standard Security Label |
| SSL | Single Stuck Line (type of test pattern model) |
| SSL | Shop Stock List |
| SSL | Source Sink Library (Reuters) |
| SSL | Simultaneous Second Lien |
| SSL | Semantic Specification Language |
| SSL | Screen Script Language |
| SSL | Suspended Stripline (microwave filter) |
| SSL | Steinschnittlage (gynaecology, proctology) |
| SSL | Software Support Laboratory |
| SSL | Software Solutions Laboratory |
| SSL | Spatial Systems Laboratory (University of Wisconsin) |
| SSL | Serpentine Superlattice |
| SSL | Structural Slab Level (civil engineering) |
| SSL | Squash Silverleaf (plant disorder) |
| SSL | Seismograph Service Limited |
| SSL | Structure Surface Level (civil engineering) |
| SSL | Submarine Safety Lane |
| SSL | Specified Short-Term Load (voltage) |
| SSL | Standard Service Link |
| SSL | Symbionics Systems Ltd. (Canada) |
| SSL | Synchronous Serial Line Interface (Digital Television) |
| SSL | Solid Statement Library |
| SSL | Seiko Sports Life Co., Ltd. (Japan) |
| SSL | Single Site/Station Locating |
| SSL | Subject Screening Log |
| SSL | Scanner Serial Links |
| SSL | Sum-Of-Subsets-Less |
| SSL | Staphylococcus Superantigen-Like |
| SSL | Soil Screening Level(s) (US EPA) |
| SSL | Serving Sri Lanka |