Hammann may refer to Charles Hammann, American aviator Gregg Hammann, corporate executive Johann Wolfgang Hammann, founder of the Wallendorf porcelain manufacture in Lichte Thuringia Nicolas Hammann, American professor race car driver Niel Hammann, South African journalist and magazine editor Otto Hammann, German journalist Wilhelm Hammann, survivor of Buchenwald concentration camp USS Hammann, several warships of the U.S. Navy