| Country: | Kingdom of Hungary (1526–1867) |
| Type: | parliamentary |
| Previous Election: | 1861 Hungarian parliamentary election |
| Previous Year: | 1861 |
| Next Election: | 1869 Hungarian parliamentary election |
| Next Year: | 1869 |
| Seats For Election: | All 315 seats in the Diet |
| Majority Seats: | 158 |
| Election Date: | 10 November–11 December 1865 |
| Image1: | Szekely-deak.jpg |
| Leader1: | Ferenc Deák |
| Party1: | Deák Party |
| Seats1: | 180 |
| Leader2: | Kálmán Ghyczy |
| Party2: | Left Centre |
| Seats2: | 94 |
| Image4: | Barabás dessewffy emil.jpg |
| Leader4: | Emil Dessewffy |
| Party4: | Conservative Party |
| Color4: | 0d249d |
| Seats4: | 21 |
| Leader5: | – |
| Party5: | Far-Left (Hungary) |
| Seats5: | 20 |
Parliamentary elections were held in Hungary between 10 November and 11 December 1865. The Deák Party won a majority of the seats.
The Far-Left was a fraction of the Centre-left Party. They didn't have own membership or president
Later, after the joining of representatives from Transylvania and Croatia, the constitution of the Parliament was as follows: