NHN may refer to:
- NHN Corporation, a South Korean Internet firm
- Nickel hydrazine nitrate, NHN is an explosive
- Normalhöhennull, the standard geographical height system used in Germany
- New Hampshire Northcoast Corporation, a US railroad company
|This disambiguation page lists articles associated with the title NHN.
If an internal link led you here, you may wish to change the link to point directly to the intended article.