DNO

DNO may refer to:

• Danish Nurses' Organization, a trade union for nurses in Denmark
• Director of Naval Ordnance, British Admiralty administration
• Distribution network operator, companies licensed to distribute electricity in Great Britain
• Dno (air base), a former air base in Russia located 4 km south of Dno
• DNO ASA, a Norwegian oil company
• Drang nach Osten, a term coined in the 19th century to designate German expansion into Slavic lands
• Dutch National Opera, based in Amsterdam, the Netherlands