| Rudolf Demetrovics | |
| Birth Date: | 19 September 1914 |
| Birth Place: | Paks, Austria-Hungary |
| Death Place: | Wollongong, Australia |
| Position: | Midfielder |
| Years1: | 1933–1938 |
| Clubs1: | Chinezul Timișoara |
| Caps1: | 92 |
| Goals1: | 1 |
| Years2: | 1938–1940 |
| Caps2: | 39 |
| Goals2: | 0 |
| Years3: | 1940–1944 |
| Caps3: | 91 |
| Goals3: | 3 |
| Years4: | 1946–1948 |
| Clubs4: | MTV Ingolstadt |
| Years5: | 1948–1949 |
| Clubs5: | SpVgg Fürth |
| Goals5: | 0 |
| Years6: | 1949–1950 |
| Clubs6: | MTV Ingolstadt |
| Totalcaps: | 229 |
| Totalgoals: | 4 |
| Nationalyears1: | 1935–1940 |
| Nationalteam1: | Romania |
| Nationalcaps1: | 8 |
| Nationalgoals1: | 0 |
| Pcupdate: | 5 November 2019 |
| Ntupdate: | 5 November 2019 |
Rudolf Demetrovics (19 September 1914[1] – 2 March 1993), also known as Rudolf Demetrovici, Rudolf Deményi or Rezső Deményi, was a Romanian footballer of Hungarian descent, who played as a midfielder.
Debuted in football by the legendary club Chinezul Timișoara, Demetrovics was an important player of the golden team of Venus București, club with which he won two national titles. Subsequently, he moved to Nagyváradi AC and won another title, this time in Hungary, being again an important pillar in a team of legend, 1943–1944 generation of NAC, first squad outside Budapest which was crowned as champion of Hungary.
After World War II he ended up in Germany, where he played for MTV Ingolstadt in the highest Bavarian amateur League, the Bayernliga, which was then part of the national second tier of German football. In 1948/49 he played for one season for SpVgg Fürth which then played in the Oberliga Süd, the part of the first tier of Germany, where the club got relegated. After this he returned for one season to Ingolstadt.
Demetrovics then migrated to Australia. He was married and had a daughter and a son.
Rudolf Demetrovics played at international level in 8 matches for Romania.[2]
Venus București
Runner-up 1939–40
Nagyváradi AC
MTV Ingolstadt
Runner-up 1947