| Acronym | Definition |
|---|
| HLP | Help! (Beatles album) |
| HLP | Help (File Name Extension) |
| HLP | Happy Little Pill |
| HLP | Housing, Land and Property |
| HLP | Helper |
| HLP | Healthy Living Practices (Australia) |
| HLP | Help File |
| HLP | High Learning Potential |
| HLP | Homeownership Loan Program (Florida) |
| HLP | Healthy Living Program (aka Healthy Living Programme; various locations) |
| HLP | Humanitarian Law Project |
| HLP | Human Languages Page (database) |
| HLP | Hyperlipoproteinemia |
| HLP | High Level Panel (various organizations) |
| HLP | Home Loan Program (various locations) |
| HLP | Heat Loss Parameter |
| HLP | Higher Layer Protocol |
| HLP | Hard Light Productions |
| HLP | Hart Leadership Program |
| HLP | Houston Lighting and Power (Houston, TX) |
| HLP | Jakarta, Indonesia - Halim Perdana Kusama (Airport Code) |
| HLP | Hyperkeratosis Lenticularis Perstans |
| HLP | Higher Level Plan (various organizations) |
| HLP | Heterosexual Life Partner |
| HLP | human placental lactogen |
| HLP | High-Low Pricing (marketing strategy) |
| HLP | Horizontal Linear Polarization |
| HLP | Hurricane Landfall Project |
| HLP | Heavily-Loaded Lightpath |
| HLP | Highest Locker Priority Algorithm |
| HLP | House of Love and Prayer |
| HLP | Host Level Program |
| HLP | Hanson Leddington Partnership Ltd. (UK) |