| HNP | Herniated nucleus pulposus |
|---|---|
| HNP | Human neutrophil peptide |
| HNPCC | Hereditary Non-Polyposis Colon Cancer |
| HNPCC | Hereditary non-polyposis colorectal carcinoma |
| HNPP | Hereditary Neuropathy with Liability to Pressure Palsies |
| HNPP | Hereditary neuropathy with liability to pressure palsy |