Waldeck may mean the following:

• Locations
• Waldeck Castle, a medieval fortress/castle in Germany
• Waldeck, Hesse, a town in Hesse
• Waldeck or Waldeck-Pyrmont, a principality in the German Empire and German Confederation, and a state in the Weimar Republic, named after the above castle and town
• Waldeck, Bavaria, a village in the Upper Palatinate, Bavaria, Germany
• Waldeck, Thuringia, a small municipality in Thuringia, Germany
• a neighbourhood in The Hague
• the historical German name of Orava Commune in Estonia
• the Villages of Waldeck, Saskatchewan
• People
• Emma of Waldeck and Pyrmont, Queen and Regent of the Netherlands
• Princess Helena of Waldeck
• Jean-Frédéric Waldeck
• Franz von Waldeck
• Klaus Waldeck, Musician
• Prince Georg Friedrich of Waldeck, a German Field Marshal and a Dutch General

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