| HPP | C++ header (Zortech C++ - Watcom C/C++) 
| Others |
| HPP | Habitat Partnership Program
| Others |
| HPP | Hand Propelled Plane
| Others |
| HPP | Handicap Parking Permit
| Others |
| HPP | Handling And Performance Package
| Others |
| HPP | Harnischfeger Pietsch Partner
| Others |
| HPP | Harrington Park Probus
| Others |
| HPP | Head Phones President
| Others |
| HPP | Header C Plus Plus
| Others |
| HPP | Health Partners Plans
| Others |
| HPP | Health Policy Project
| Others |
| HPP | Health Professions Program
| Others |
| HPP | Health Promotion Perspectives
| Others |
| HPP | Health Promotion Practice
| Others |
| HPP | Health Promotion Programs
| Others |
| HPP | Healthcare Performance Partners
| Others |
| HPP | Healthy Planet Partners
| Others |
| HPP | Heide performance products
| Others |
| HPP | Hewlett- Packard Printer
| Others |
| HPP | High Performance Package
| Others |
| HPP | High Performance Parts
| Others |
| HPP | High Performance Polymers
| Others |
| HPP | High Performance Pontiac
| Others |
| HPP | High Performance Powertrains
| Others |
| HPP | High Point of Paving
| Others |
| HPP | High Pressure Pascalization
| Others |
| HPP | High Pressure Pasteurisation
| Others |
| HPP | High Pressure Pasteurization
| Others |
| HPP | High Pressure Pasturization
| Others |
| HPP | High Pressure Processing
| Others |
| HPP | High Priority Projects
| Others |
| HPP | High Probability Prospecting
| Others |
| HPP | High Profile Promotion
| Others |
| HPP | Higher Pensioner Premium
| Others |
| HPP | Highest Price Possible
| Others |
| HPP | Highland Park Plant
| Others |
| HPP | Highpressure Phase and PDF
| Others |
| HPP | HIV Prevention Program
| Others |
| HPP | Holeshot Performance Products
| Others |
| HPP | Holland Property Plaza
| Others |
| HPP | Homeless Prenatal Program
| Others |
| HPP | Honda Care Protection Plan
| Others |
| HPP | Hordeins in pusillum preliminary
| Others |
| HPP | Hospital Preparedness Program
| Others |
| HPP | Houston Products Processing
| Others |
| HPP | Hp Partner Portal
| Others |
| HPP | Hp Printer
| Others |
| HPP | Hudson Pacific Properties
| Others |
| HPP | Human Participant Pool
| Others |
| HPP | Human Proteome Project
| Others |
| HPP | Hurst Performance Products
| Others |
| HPP | Hybrid Purchasing Program
| Others |
| HPP | Hydro Power Plant
| Others |
| HPP | Hydropower Plant
| Others |
| HPP | HyperPhoto Project
| Others |
| HPP | Hypno Peripheral Processing
| Others |
| HPP | Hyundai Protection Plan
| Others |
| HPP | Vector graphics (Hewlett-Packard Printer Control Language)
| Others |