- DNH stands for Do No Harm
- DNH stands for Dike-New Hartford (Dike, IA)
- DNH stands for Direction Nationale de l’Hydraulique (French: National Hydraulic Authority; Mali)
- DNH stands for Do Not Hire (employment)
- DNH stands for Do Not Hospitalize
- DNH stands for Dirección Nacional de Hidrocarburos (Ecuador)
- DNH stands for District of New Hampshire (court cases citing)
- DNH stands for Design New Haven (New Haven, CT)
- DNH stands for Doutor Nichires Holdings (Japanese holding company)
- DNH stands for Diffusion des Normes Humanitaires (French: Dissemination of Humanitarian Standards)
- DNH stands for Digitale Nederlandse Hoorspel-encyclopedie (digital reference for Dutch radioplays)
- DNH stands for Dave’s Not Here (band)
- DNH stands for Dalnet Help
- DNH stands for Deoxyribonucleohelicates
- DNH stands for Den Norske Høyttalerfabrikk GmbH (Norwegian: The Norwegian Loudspeaker Factory)
- DNH stands for Directory Number Hunt – Telephone
DNH