| HDE | Hagerty Driving Experience 
| Others |
| HDE | Hana Design Enterprise
| Others |
| HDE | Hard Dance Event
| Others |
| HDE | Hard DISK Encryption
| Others |
| HDE | Health Data Exchange
| Others |
| HDE | Health Data Exploration
| Others |
| HDE | Heater Drive Electronics
| Others |
| HDE | Heavy Duty Engine
| Others |
| HDE | Heavy Duty Equipment
| Others |
| HDE | Help Desk Essentials
| Others |
| HDE | Henry Draper Extension
| Others |
| HDE | Heritage Design Edition
| Others |
| HDE | High Definition Encoder
| Others |
| HDE | High Density Encoding
| Others |
| HDE | High Desert Entertainment
| Others |
| HDE | Highcroft Drive Elementary
| Others |
| HDE | Highly Distributed Environment
| Others |
| HDE | Hns Dependent Expression
| Others |
| HDE | Holdrege, Nebraska USA
| Others |
| HDE | Home Decor Exchange
| Others |
| HDE | Home Docking Environment
| Others |
| HDE | Honda Driving Excellence
| Others |
| HDE | Horse Dental Equipment
| Others |
| HDE | Hotel Distribution Event
| Others |
| HDE | Hottest Deals Ever
| Others |
| HDE | Huawei Developer Experts
| Others |
| HDE | Human Development and Education
| Others |
| HDE | Humanitarian Device Exemption
| Others |
| HDE | Humanitarian Use Exemption
| Others |
| HDE | humanitarian use exemptions (CDRH)
| Others |
| HDE | Hybrid Detection Engine
| Others |
| HDE | Hybrid Diesel Electric
| Others |