| Acronym | Definition |
|---|
| KLL➣Kraftwerke Linth Limmern (German: Linth-Limmern Power Plant; Switzerland) |
| KLL➣Kim-Lee-Lee (authenticated group key agreement protocol) |
| KLL➣Kronisk Lymfatisk Leukemi |
| KLL➣Kernersville Little League |
| KLL➣"K" Line Logistics Ltd. (ocean transportation services; Australia) |
| KLL➣Kecelakaan Lalu Lintas (Indonesian: Traffic Accidents) |