| Rudolf Frommer | |
| Birth Date: | 4 August 1868 |
| Death Date: | 1 September 1936 |
| Occupation: | Inventor, Banker |
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.