FLH
| Acronym | Definition |
|---|---|
| FLH | Federal Lands Highway |
| FLH | Fédération Luxembourgeoise de Handball (French: Luxembourg Handball Federation; Luxembourg) |
| FLH | Fei Lun Hai (band) |
| FLH | Farm Labor Housing |
| FLH | Front de Libération Homosexuel (French: Homosexual Liberation Front; Canada) |
| FLH | Flash Load Helper (Cisco) |
| FLH | Front Line Heroes (online gaming league) |
| FLH | Flammable Liquid Hydrocarbon |
| FLH | Full Load Hour (energy) |
| FLH | Foot Loisir Hérinois (French football club) |