LHD
- Doctor of Humane Letters
- LHD (load, haul, dump machine)
- Lake Hood Seaplane Base
- Landing helicopter dock
- Large Helical Device
- Leatherhead railway station
- Liechtenstein
- Liechtenstein Homeland Service
- Limburg (Netherlands)
- Limburgse Handbal Dagen
- Linear heat detection
- Local health department
- Right- and left-hand traffic