HPR
- FM Global
- HPR (gene)
- Handley Page (Reading)
- Harvard Political Review
- Hawaii Public Radio
- Heartland Public Radio
- Heparanase
- High-power rocketry
- Holding period return
- Homiletic and Pastoral Review
- Hornsdale Power Reserve
- Host plant resistance
- Hungarian People's Republic
- IBM Home Page Reader
- Pointing dog