| Abbreviation | Definition |
|---|---|
| KT | Kohler Twin |
| KT-ISBL | International, Safe Deposit, Bit & Barrel Key Tag set |
| KV | Koechel Verzeichnis |
| KWQC | Kent Whisper Quiet Vacuum |
| L.B.S. | Lock Back Safety (patented mechanism for folding knives) |
| LACF | low-acid canned foods |
| LAD | Light Aid Detatchment |
| LASD | Liquid Applied Spray-on Damping |
| LAWKS | Lake and Walker Knife Safety system |
| LB | Little Board |
| LB | Ljung Box |
| LB | Loader Backhoe |
| LBO | Last Best Offer |
| LBOD | LensBaby Optic Double-glass |
| LBR | Load BackRest |
| LBS | Lyman Briggs School |
| LBSG | Lithium Battery Shipping Guidelines |
| LC | Large Ceramastone |
| LC | Lightweight Cushioning |
| LC | Line Counter |