On January 4, 1850, the "central towns" (Vărad - Orașul Nou, Vărad - Olosig, Vărad - Velența și Vărad - Subcetate) were officially united, forming Oradea Mare (Great Oradea). The first designated mayor of the united towns was Bolonyi Menyhert.
| Mayor | Period | Observations | State |
|---|---|---|---|
| Bolonyi Menyhert | January 4, 1850 - June 25, 1851 | First mayor of Oradea Mare. | Grand Principality of Transylvania |
| Csorba Ioan | 1851–1854 | Grand Principality of Transylvania | |
| Takaci Arnold | 1854–1855 | Grand Principality of Transylvania | |
| Miklosi Francisc | 1855–1857 | Grand Principality of Transylvania | |
| Toperczer Odon | 1857–1860 | Grand Principality of Transylvania | |
| Petrovici Andrei | 1860 - January 21, 1861 | Interim, as counselor. | Grand Principality of Transylvania |
| Lukacs Gheorghe | January 21, 1861 – 1862 | Grand Principality of Transylvania | |
| Lazar Mihai | 1862–1865 | Grand Principality of Transylvania | |
| Stettner Ludovic | 1866–1867 | Grand Principality of Transylvania | |
| Lukacs Gheorghe | 1867 - November 11, 1875 | Austria-Hungary | |
| Sal Francisc | November 11, 1875 – 1897 | Austria-Hungary | |
| Bulyovszky Iosif | 1897 - June 1901 | Austria-Hungary | |
| Rimler Carol | June 1901 - March 22, 1919 | Until March 1902 he was a designated mayor. | Austria-Hungary |
| Directoship | March 22 - April 19, 1919 | Austria-Hungary | |
| Rimler Carol | April 19 - June 15, 1919 | On April 19, 1919, the Romanian Army enters Oradea, thus officializing the Union of Transylvania with Romania through the Resolution of the Great National Assembly of Alba Iulia, of December 1, 1918. | Kingdom of Romania |
| Lukacs Odon | June 15 - July 31, 1919 | Interim (as vice mayor) | Kingdom of Romania |
| Komlossy Iosif | August 1, 1919 - February 8, 1920 | Kingdom of Romania | |
| Coriolan Bucico | February 9, 1920 - July 1, 1926 | Kingdom of Romania | |
| Gheorghe Tulbure | July 2, 1926 - June 3, 1927 | Interim until September 21, 1926, as president of the Interim Commission. | Kingdom of Romania |
| Sever Ardelean | June 4 - August 1, 1927 | Interim, as president of the Interim Commission. | Kingdom of Romania |
| Grigore Egri | August 2 - October 12, 1927 | Kingdom of Romania | |
| Nicolae Zigre | October 12, 1927 - December 1, 1928 | Interim, as president of the Interim Commission. | Kingdom of Romania |
| Aurel Lazăr | December 1, 1928 - November 18, 1930 | Interim until July 26, 1930, as president of the Interim Commission. | Kingdom of Romania |
| Romulus Pop | November 18 - December 12, 1930 | Interim, as president of the Interim Commission. | Kingdom of Romania |
| Grigore Egri | December 12, 1930 - May 25, 1931 | Interim, as president of the Interim Commission. | Kingdom of Romania |
| George Sofronie | May 25, 1931 - July 11, 1932 | Interim, as president of the Interim Commission. | Kingdom of Romania |
| Grigore Egri | July 11, 1932 - November 29, 1933 | Interim until October 20, 1932, as president of the Interim Commission. | Kingdom of Romania |
| Tiberiu Moșoiu | November 29, 1933 - November 2, 1935 | Interim, as president of the Interim Commission. | Kingdom of Romania |
| Vasile Bledea | November 2, 1935 - May 11, 1937 | Interim, as president of the Interim Commission. | Kingdom of Romania |
| Petru Fodor | May 11, 1937 - January 5, 1938 | Interim, as president of the Interim Commission. | Kingdom of Romania |
| Dimitrie Mangra | January 5 - February 11, 1938 | Interim, as president of the Interim Commission. | Kingdom of Romania |
| Ioan Voștinar | February 11–16, 1938 | Designated, as the Prime Secretary of the Municipality. | Kingdom of Romania |
| Constantin Constantinescu | February 16 - July 1, 1938 | Designated | Kingdom of Romania |
| Cornel Cărpinișan | July 1 - September 23, 1938 | Designated | Kingdom of Romania |
| Augustin Chirilă | September 23, 1938 - September 5, 1940 | Kingdom of Romania | |
| Soos Istvan | September 5, 1940 - March 1944 | As a result of the Second Vienna Awards, arbitrated by Nazi Germany and Fascist Italy, Oradea became part of Fascist Hungary. | Kingdom of Hungary |
| Gyapai Laszlo | March - October 12, 1944 | Interim. He ordered the construction of the Jewish Ghetto in Oradea and assisted the Nazis in the deportation of the Jewish population. | Kingdom of Hungary |
| Augustin Corna | October 12 - November 1944 | Interim. On October 12, 1944, Oradea is freed from the fascist reign, by a Romanian-Soviet battalion, thus the city being reunited with Romania. | Kingdom of Romania |
| Csiky Iuliu | November 1944 - January 1945 | Interim | Kingdom of Romania |
| Vanyai Carol | March 9, 1945 – 1949 | The first mayor belonging to the working class | Kingdom of Romania until December 31, 1947, Romanian People's Republicfrom January 1, 1948 |
| Pusztai Alexandru | ? - ? | As president of the Municipal People's Council. | Romanian People's Republic |
| Boros Ștefan | ? - ? | As president of the Municipal People's Council. | Romanian People's Republic |
| Vig Andrei | ? - ? | As president of the Municipal People's Council. | Romanian People's Republic |
| Dreguș Ernest | ? - ? | As president of the Municipal People's Council. | Romanian People's Republic |
| Roman Barna | ? - ? | As president of the Municipal People's Council. | Romanian People's Republic |
| Szanto Ștefan | 1968–1973 | As president of the Municipal People's Council. | Socialist Republic of Romania |
| Gheorghe Vaida | 1973–1978 | Until 1976 As president of the Municipal People's Council | Socialist Republic of Romania |
| Petru Demeter | 1978–1983 | Socialist Republic of Romania | |
| Paraschiv Alecu | 1983–1988 | Socialist Republic of Romania | |
| Gheorghe Groza | 1988–1989 | Until the Romanian Revolution of 1989. | Socialist Republic of Romania |
| Mircea Bradu | 1989–1990 | Elected through a popular decision. He resigned after a heart attack. | Romania |
| Horia Văideanu | 1990–1991 | Interim | Romania |
| Octavian Bot | 1991–1992 | Romania | |
| Matei Ivan | 1992 | Interimar | Romania |
| Petru Filip | 1992–1996 | Member of the National Salvation Front. He was the first mayor to be elected by free, secret and universal vote | Romania |
| Mihai Sturza | 1996–2000 | Member of the National Liberal Party | Romania |
| Petru Filip | 2000–2007 | Member of the Democratic Liberal Party | Romania |
| Mihai Groza | June 2007 - June 2008 | Interim, member of the Democratic Liberal Party | Romania |
| Ilie Bolojan | 2008 - 2020 | Member of the National Liberal Party | Romania |
| Florin Birta | 2020 - present | Member of the National Liberal Party | Romania |