| HNP | Hajipur Nagar Parishad 
| Others |
| HNP | Harvard Negotiation Project
| Others |
| HNP | Health Nutrition and Population
| Others |
| HNP | Health Nutrition Population
| Others |
| HNP | Healthy Neighborhood Projects
| Others |
| HNP | Healthy Neighborhoods Program
| Others |
| HNP | Helping New Players
| Others |
| HNP | Hemis National Park
| Others |
| HNP | Henna and Placenta
| Others |
| HNP | Hereditary Nephritic Protein
| Others |
| HNP | Herenigde Nasionale Party
| Others |
| HNP | Hernia Nuclei Pulposi
| Others |
| HNP | Hernia Nucleus Pulposus
| Others |
| HNP | Hernia Nukleus Pulposus
| Others |
| HNP | Herniated Nucleus Propulsus
| Others |
| HNP | Herniated Nucleus Pulposis (herniated disc)
| Others |
| HNP | Herniated Nucleus Pulposus
| Others |
| HNP | Herstigte Nasionale Party
| Others |
| HNP | Hestigte Nasionale Party
| Others |
| HNP | Heure Normale du Pacifique
| Others |
| HNP | High Nitrile Polymer
| Others |
| HNP | Holcombe Norton Partners
| Others |
| HNP | Holley Navarre Primary
| Others |
| HNP | Holy Name Province
| Others |
| HNP | Home Network Prefix
| Others |
| HNP | Home Network Protection
| Others |
| HNP | Horizon Nuclear Power
| Others |
| HNP | Host Negotiation Protocol
| Others |
| HNP | Housing Negotiation Project
| Others |
| HNP | Hugpong Ng Pagbabago
| Others |
| HNP | Human Needs Project
| Others |
| HNP | Human Neutrophil Peptide
| Others |