| Term | Full Form | Category |
|---|---|---|
| HARD | Half Absolute Relative Difference | Others |
| HARD | Helmet Assisted Radar Detection | Others |
| HARD | Helmet Assisted Radar Discount | Others |
| HARD | Horizontal Acoustic Range Depiction | Others |
| HARD | Human Anal Retention Device | Others |
| HARD | Hyper Attachment - Reconstructional DNA | Others |