LRS
- IEEE 802.11g-2003
- LRS (TV station)
- Lactated Ringer's solution
- Learning Record Store
- Leros Municipal Airport
- Ley de Responsabilidad Social en Radio y Televisión
- Linear recursive sequence
- Linear reference system
- Lithuanian Russian Union
- Liverpool Reform Synagogue
- Location Referencing System
- London River Services
- Long-range surveillance