Merz may refer to:

• Merz (art style), a synonym for the more common term Dada
• Merz (musician), a British electro-folk singer
• Merz (surname)
• Merz Apothecary, a historic European perfume and wellness store in Chicago
• Merz & McLellan, a British electrical engineering consultancy
• Merz Peninsula, Palmer Land, Antarctica
• Merz Pharma, an international health care company