HSD
HSD is an abbreviation for:
- Harrington Seed Destructor , an agricultural machine
- High Speed Data , high speed connection systems for digital data
- High speed drilling , high speed drilling
- Döpfer University , private university
- Hochschule Düsseldorf , state university of applied sciences
- Special helicopter service , German aviation company
- Hybrid Synergy Drive , a hybrid drive system from Toyota
