Germanium(IV) nitride is an inorganic compound with the chemical formula Ge<sub>3</sub>N<sub>4</sub>. It can be produced through the reaction of germanium and ammonia:
In its pure state, germanium(IV) nitride is a colorless, inert solid that crystallizes in many polymorphs, of which the most stable is the trigonal ò-form (space group P31c). In this structure, the germanium atoms are tetrahedrally coordinated while the nitrogen atoms are trigonal planar. The ó-form, which forms under high pressure, has a spinel structure.