NHK is the Japanese public broadcasting corporation.

NHK may also refer to:

• NHK Party, a Japanese political party that abbreviates itself as "NHK".
• NHK Trophy, a figure skating competition jointly held by NHK and Japan Skating Federation
• NHK Spring Company
• Welcome to the N.H.K., a Japanese novel later adapted into a manga and anime series
• Nathan Homer Knorr (April 23, 1905 – June 8, 1977), third president of the Watch Tower Bible and Tract Society of Pennsylvania (Jehovah's Witnesses)
• The Dutch Reformed Church (Nederlandse Hervormde Kerk)
  • The Nederduitsch Hervormde Kerk van Afrika, a Dutch Reformed denomination in Southern Africa
• Naval Air Station Patuxent River (IATA and FAA code NHK)
• Nucleosomal histone kinase, a protein
• Nozaki–Hiyama–Kishi reaction, a coupling reaction used in organic synthesis