DNH may refer to:

• Dadra and Nagar Haveli, a Union Territory of India
• Do No Harm (disambiguation)
• Dunhuang Airport, IATA code DNH
• United States District Court for the District of New Hampshire

• Aleksei Gribov
• Aleksei Gridin
• Aleksei Gridnev
• Aleksei Grudakov
• Aleksei Gudkov
• Aleksei Gudkov (footballer, born 1972)
• Aleksei Gudkov (footballer, born 1995)
• Aleksei Guseinov
• Aleksei Guseynov
• Aleksei Igorevich Kuznetsov
• Aleksei Ilatovski
• Aleksei Ilatovskiy
• Aleksei Ilatovsky
• Aleksei Ilyin (disambiguation)
• Aleksei I of Russia
• Aleksei Ivakhov
• Aleksei Ivanov (athletics)
• Aleksei Ivanovich Ivanov
• Aleksei Ivanovich Kostrikin
• Aleksei Kaledin
• Aleksei Kapoura
• Aleksei Kayukov
• Aleksei Khomiakov
• Aleksei Khotulev
• Aleksei Khozhayev