HPC
- Bacteriological water analysis
- Croatian Orthodox Church
- HPC Challenge Benchmark
- Hardware performance counters
- Hasty Pudding cipher
- Health Professions Council
- HeartCatch PreCure!
- Hemangiopericytoma
- Hi-Point carbine
- High Power Charging
- High-performance computing
- Hilbert system
- Hinkley Point C nuclear power station
- History of presenting complaint
- Hmar People's Convention
- Ho-Ping Power Company
- Hot potassium carbonate
- Hug! Pretty Cure
- Hydraulic Press Channel
- Hydrometeorological Prediction Center
- Hydroxypropyl cellulose
- Windows HPC Server 2008