Waldeck may mean the following:

• the County, Principality, and Republic of Waldeck or Waldeck-Pyrmont, see Waldeck (state)
• the City of Waldeck in Waldeck-Frankenberg District, Hesse, see Waldeck, Hesse
• the small municipality of Waldeck in Saale-Holzland District, Thuringia, see Waldeck, Thuringia