Ammonium dicyanoaurate is a chemical compound with the chemical formula C2H4AuN3.

[2] This is a salt of ammonium as cation with an anion composed of a gold atom bearing two cyanide ligands.

Ammonium dicyanoaurate can be synthesised by dissolution of gold(I) cyanide in ammonium cyanide solution: The compound forms colorless crystals which are soluble in water and ethanol.