HP
- hp – (s) horse power
- HP – (i) Hewlett-Packard – Hindustan Petroleum – (s) Himachal Pradesh (Indian state code)
- HPA – (i) UK Health Protection Agency
- HPCL – (i) Hindustan Petroleum Corporation Limited
- HPGL or HP-GL – (i) Hewlett-Packard Graphics Language
- HP-IB – (i) Hewlett-Packard Instrument/Interface Bus (first implementation of GP-IB, later standardised and now known as IEEE-488)
- HP-IL – (i) Hewlett-Packard Interface Loop (serial bus used with some HP calculators and computers, notably the HP-41 and HP-71 series)
- HPLC – (i) High Performance Liquid Chromatography
- HPT – (i) High Payoff Target
- HPV – (i) Human Papilloma Virus
Read more about this topic: List Of Acronyms And Initialisms: H