HDML
| Acronym | Definition |
|---|---|
| HDML | Handheld Device Markup Language |
| HDML | Hugo Dunhill Mailing Lists (sales; New York, NY) |
| HDML | Harbour Defence Motor Launch (small motor vessel; UK) |
| HDML | Handset Device Markup Language (Sprint PCS) |
| HDML | Hierarchical Data Manipulation Language (databases) |