A magnetic-inductive antenna for a hearing instrument includes two antenna surfaces which are formed from magnetic, flexible foil, and a base which is wound with an antenna winding. The antenna surfaces are formed from magnetic foil blanks which are separated from one another. The base has, at each of its end sides, a respective opening into which a respective one of the foil blanks is inserted. A hearing instrument and a method for producing a magnetic-inductive antenna for a hearing instrument are also provided.