# List of Hungarian by-elections

By-elections in Hungary occur to fill vacant constituency seats in the National Assembly of Hungary. Vacant list seats are filled by the next member of the list of the respective MP. If there are no more members on the list, the seat is left vacant.

## By-elections
### 2022–2026 Parliament

| Constituency | Date | Incumbent | Party | Party | Winner | Party | Party | Cause | Source |
| Budapest 11 | 2025-03-23 | László Varju | | DK | | | | Resignation | |
| Tolna 02 | 2025-01-12 | Árpád Potápi | | Fidesz | Krisztina Csibi | | Fidesz | Death | |

### 2018–2022 Parliament

| Constituency | Date | Incumbent | Party | Party | Winner | Party | Party | Cause | Source |
| Borsod 06 | 2020-10-11 | Ferenc Koncz | | Fidesz | Zsófia Koncz | | Fidesz | Death | |
| Fejér 04 | 2020-02-16 | Tamás Pintér | | Jobbik | Gergely Kálló | | Jobbik | Resignation | |

### 2014–2018 Parliament

| Constituency | Date | Incumbent | Party | Winner | Party | Cause |
| Veszprém 03 | 2015-04-12 | Jenő Lasztovicza | Fidesz | Lajos Rig | Jobbik | Death |
| Veszprém 01 | 2015-02-22 | Tibor Navracsics | Fidesz | Zoltán Kész | Ind. | Resignation |
| Budapest 11 | 2014-11-23 | Péter Kiss | MSZP | Imre Horváth | MSZP | Death |

### 2010–2014 Parliament

| Constituency | Date | Incumbent | Party | Winner | Party | Cause | Source |
| Békés 03 | 2010-09-19, 2010-10-03 | László Domokos | Fidesz | Béla Dankó | Fidesz | Resignation | "Nemzeti Választási Bizottság" (PDF) (in Hungarian). Hungarian Electoral Commission. Retrieved 10 October 2010. |
| Hajdú-Bihar 06 | 2011-06-05, 2011-06-19, 2011-10-02, 2011-10-16 | Sándor Arnóth | Fidesz | Sándor Bodó | Fidesz | Death | "Nemzeti Választási Bizottság" (PDF) (in Hungarian). Hungarian Electoral Commission. Retrieved 16 October 2011. |
| Budapest 02 | 2011-11-13, 2011-11-27 | István Balsai | Fidesz | Zsolt Láng | Fidesz | Resignation | "Nemzeti Választási Bizottság" (PDF) (in Hungarian). Hungarian Electoral Commission. Retrieved 29 November 2011. |

### 2006–2010 Parliament

| Constituency | Date | Incumbent | Party | Winner | Party | Cause | Source |
| Veszprém 06 | 2010-10-01 | Balázs Horváth | Fidesz | Zsolt Horváth | Fidesz | Death | "Nemzeti Választási Bizottság" (PDF) (in Hungarian). Hungarian Electoral Commission. Retrieved 1 October 2006. |
| Budapest 15 | 2008-01-27, 2008-02-10 | András Deák | KDNP | Bence Rétvári | Fidesz | Death | "Nemzeti Választási Bizottság" (in Hungarian). Hungarian Electoral Commission. Retrieved 10 February 2008. |
| Budapest 12 | 2009-01-11, 2009-01-25 | Ferenc Gegesy | SZDSZ | János Bácskai | Fidesz | Resignation | "Nemzeti Választási Bizottság" (PDF) (in Hungarian). Hungarian Electoral Commission. Retrieved 25 January 2009. |
| Baranya 03 | 2009-06-07, 2009-06-21, 2009-10-04, 2009-10-18 | László Toller | MSZP | unfilled | unfilled | Incapacity | "Nemzeti Választási Bizottság" (PDF) (in Hungarian). Hungarian Electoral Commission. Retrieved 18 October 2009. |
| Győr-Moson-Sopron 05 | 2009-11-08, 2009-11-22 | János Áder | Fidesz | Alpár Gyopáros | Fidesz | Resignation | "Nemzeti Választási Bizottság" (PDF) (in Hungarian). Hungarian Electoral Commission. Retrieved 22 November 2009. |

### 2002–2006 Parliament

| Constituency | Date | Incumbent | Party | Party | Winner | Party | Party | Cause | Source |
| Győr-Moson-Sopron 07 | 2004-11-14, 2004-11-28, 2005-04-24, 2005-05-08 | József Szájer | | Fidesz | Mátyás Firtl | | Fidesz | Resignation | "Nemzeti Választási Bizottság" (in Hungarian). Hungarian Electoral Commission. Retrieved 8 May 2005. |
| Nógrád 03 | 2004-11-14, 2004-11-28 | László Surján | | Fidesz | Andor Nagy | | Fidesz | Resignation | "Nemzeti Választási Bizottság" (in Hungarian). Hungarian Electoral Commission. Retrieved 28 November 2004. |

### 1998–2002 Parliament

| Constituency | Date | Incumbent | Party | Winner | Party | Cause | Source |
| Fejér 02 | 1999-09-26, 1999-10-10, 2000-04-02, 2000-04-16 | Béla Gyuricza | Fidesz | Albert Molnár | MSZP | Death | "Nemzeti Választási Bizottság" (in Hungarian). Hungarian Electoral Commission. 16 April 2000. |
| Somogy 03 | 1999-09-26, 1999-10-10 | Péter Kálmán Rajcsányi | Fidesz | József Házas | MSZP | Death | "Nemzeti Választási Bizottság" (in Hungarian). Hungarian Electoral Commission. 10 October 1999. |
| Szabolcs-Szatmár-Bereg 10 | 2000-04-02, 2000-04-16 | József Zilahi | MDF | János Lengyel | FKgP | Death | "Nemzeti Választási Bizottság" (in Hungarian). Hungarian Electoral Commission. 16 April 2000. |
| Pest 14 | 2001-03-25, 2001-04-08 | Attila Buza | Fidesz | Lajos Szűcs | Fidesz | Death | "Nemzeti Választási Bizottság" (in Hungarian). Hungarian Electoral Commission. Retrieved 8 April 2001. |

### 1994–98 Parliament

No by-election was held during this cycle.

### 1990–94 Parliament

| Constituency | Date | Incumbent | Party | Winner | Party | Cause | Source |
| Komárom-Esztergom 03 | 1991-03-24, 1991-04-14, 1991-07-14, 1991-09-15, 1992-01-12, 1992-02-16, 1992-06-07, 1992-06-21 | Sándor Deák | SZDSZ | György Keleti | MSZP | Death | "Nemzeti Választási Bizottság" (in Hungarian). Hungarian Electoral Commission. Retrieved 4 January 2018. |
| Budapest 09 | 1991-03-27, 1991-04-14 | Gábor Demszky | SZDSZ | Pál Filó | MSZP | Resignation | "Nemzeti Választási Bizottság" (in Hungarian). Hungarian Electoral Commission. Retrieved 4 January 2018. |
| Borsod-Abaúj Zemplén 11 | 1991-08-11, 1991-09-15 | Miklós Németh | Ind. | Mihály Kupa | Ind. | Resignation | "Nemzeti Választási Bizottság" (in Hungarian). Hungarian Electoral Commission. Retrieved 4 January 2018. |
| Békés 01 | 1992-05-10, 1992-05-24 | Zoltán Szokolay | MDF | Éva Sarkadiné Lukovics | SZDSZ | Resignation | "Nemzeti Választási Bizottság" (in Hungarian). Hungarian Electoral Commission. Retrieved 4 January 2018. |
| Bács-Kiskun 04 | | József Faddi | FKgP | Tamás Gábor Nagy | Agrarian Alliance | Death | "Nemzeti Választási Bizottság" (in Hungarian). Hungarian Electoral Commission. Retrieved 4 January 2018. |