HDN may refer to
Medicine
- Hemolytic disease of the newborn, an alloimmune illness
- Hydronephrosis, hydrostatic dilation of the kidney
Places
- Harlesden station, England, station code
- Yampa Valley Airport, Colorado, US, IATA code
Other
- Hyperdimension Neptunia, a video game series
- Hydrodenitrogenation, an industrial chemical process
- Northern Haida language of North America, ISO 639-3 code
- Philippine Human Development Network
- Hdn., an abbreviation for the Greek grammarian Aelius Herodianus
This disambiguation page lists articles associated with the title HDN.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: