HSP
- BLAST (biotechnology)
- Croatian Party of Rights
- Halal snack pack
- Hansen solubility parameters
- Harvard Sussex Program
- Heat shock protein
- Henoch–Schönlein purpura
- Hereditary spastic paraplegia
- Hidden subgroup problem
- High Speed Photometer
- Holy Spirit Preparatory School
- Host signal processing
- Hot Soup Processor
- List of Bluetooth profiles
- People's Voice Party