| Acronym | Definition |
|---|
| SLB | Solomon Islands (ISO Country code) |
| SLB | Sport Lisboa e Benfica (soccer) |
| SLB | Schlumberger Ltd. (oil field services firm) |
| SLB | Securities Lending and Borrowing (stocks) |
| SLB | Server Load Balancing |
| SLB | Static Load Balancing |
| SLB | Slide Library |
| SLB | Software Library |
| SLB | Serverless Backup |
| SLB | Symbol Library |
| SLB | Segment Lookaside Buffer |
| SLB | Sindikad Labourerien Breizh (French: Workers Union Brittany) |
| SLB | Strong-Side Linebacker (pro football) |
| SLB | Sri Lanka Broadcasting |
| SLB | Standard Life Bank (UK) |
| SLB | South London Business (UK) |
| SLB | Science Laboratory Building (various schools) |
| SLB | Surplus Lines Broker (license; various locations) |
| SLB | State Land Board |
| SLB | Society for Leukocyte Biology (Bethesda, MD) |
| SLB | Sale and Leaseback (financial transaction) |
| SLB | Student Life Board (Brookdale Community College; Lincroft, NJ) |
| SLB | Secure Loader Block (computing) |
| SLB | Sliding Board |
| SLB | Sigma Lambda Beta International Fraternity, Inc. |
| SLB | Slide Lid Box (cigar box) |
| SLB | Stevenson Lawson Building (University of Western Ontario; Ontario, Canada) |
| SLB | Synonym Lookaside Buffer |
| SLB | Siberian Land Bridge (Japan) |
| SLB | Second Life Ballet |
| SLB | Shallow Land Burial (waste disposal) |
| SLB | Sniper Leader Board (gaming) |
| SLB | Sethu Lakshmi Bai (higher secondary school, India) |
| SLB | Shannon Lower Bound |
| SLB | Subscriber Local Busy (signal) |
| SLB | Side-Lobe Blanking |
| SLB | Stridsledning Bataljon (Swedish) |
| SLB | Senior League Baseball |
| SLB | Superlattice Barrier |
| SLB | Stabilization of Liquid Bridges |
| SLB | Street Letter Box (various organizations; Jamaica and Canada) |
| SLB | Société Linnéenne de Bordeaux (French: Linnean Society of Bordeaux; France) |
| SLB | Signed Log Book (geocaching) |
| SLB | Single Leg Brace |
| SLB | Stade Lavallois Basket (French: Laval Basketball Stadium; Laval, France) |
| SLB | SACDIN Laboratory Bulletin |
| SLB | Senior Leadership Board |
| SLB | Saint-Louis Basket (basketball organization; France; est. 1935) |
| SLB | Stop Lock Button |