| HTP | Hack The Planet 
| Others |
| HTP | Hanson Tribute Project
| Others |
| HTP | Haptic Tabletop Puck
| Others |
| HTP | Hari Taksiran Persalinan
| Others |
| HTP | Harmful Traditional Practices
| Others |
| HTP | Have To Pee
| Others |
| HTP | Health Thermometer Profile
| Others |
| HTP | Heat Transfer Paste
| Others |
| HTP | Heat Transfer Products
| Others |
| HTP | Heel That Pain
| Others |
| HTP | Helical Twisting Power
| Others |
| HTP | Help The Persecuted
| Others |
| HTP | Helper Training Program
| Others |
| HTP | Helps The Pain
| Others |
| HTP | Hi Tech Park
| Others |
| HTP | High Technologies Park
| Others |
| HTP | High Temperature Paper
| Others |
| HTP | High Temperature Performance
| Others |
| HTP | High Tenacity Polyester
| Others |
| HTP | High Tensile Polymer
| Others |
| HTP | High Terminal Performance
| Others |
| HTP | High Test Peroxide
| Others |
| HTP | High Torque Performance
| Others |
| HTP | High Torque Power
| Others |
| HTP | Highest Takes Precedence
| Others |
| HTP | Highlight Tone Priority
| Others |
| HTP | Highway Traffic Point
| Others |
| HTP | Historic Technical Passport
| Others |
| HTP | Hit The Piss
| Others |
| HTP | Hold The Phone
| Others |
| HTP | Home Theatre Pack
| Others |
| HTP | Honors Transfer Program
| Others |
| HTP | Hospital Transformation Program
| Others |
| HTP | Host Transaction Processing
| Others |
| HTP | House Tree Person
| Others |
| HTP | Hughes Turner Project
| Others |
| HTP | Hungarian Technical Products
| Others |