Rudolf Frommer (fegyverneki Frommer Rudolf; 4 August 1868 – 1 September 1936) was a Hungarian weapon designer. He was raised to the Hungarian nobility with the pre-name 'fegyverneki' by Franz Joseph I for his achievements in weapons design. He had over 100 patents, among them semi-automatic handguns starting in 1901, and including the Frommer 1910 in 7.65mm Roth, the Frommer Stop in .32 ACP, and the 37M.

Rudolf Frommer
Born4 August 1868
Died1 September 1936
Occupation(s)Inventor, Banker
TitleFegyverneki
Frommer wz.1911 pistol, Polish Army Museum in Warsaw.