This list of prime ministers of Hungary lists each prime minister in order of term length. This is based on the difference between dates; if counted by number of calendar days all the figures would be one greater.
Viktor Orbán, Kálmán Tisza, György Lázár and István Bethlen are the only persons to have served as prime minister for more than 10 years. János Hadik served as prime minister for less than one day in 1918.
| Rank by length of terms | Prime Minister | Length by time served | Administrations | Party | |
|---|---|---|---|---|---|
| 1 | Viktor Orbán | 2 | Fidesz | ||
| 2 | 14 years, 144 days | 1 | Liberal Party | ||
| 3 | 12 years, 41 days | 1 | MSZMP | ||
| 4 | 10 years, 132 days | 1 | Unity Party | ||
| 5 | 8 years, 31 days | 1 | MSZMP | ||
| 6 | 7 years, 48 days | 3 | Liberal Party | ||
| 7 | 5 years, 232 days | 2 | Liberal Party | ||
| 8 | 5 years, 10 days | 2 | MSZMP | ||
| 9 | 4 years, 270 days | 1 | Deák Party | ||
| 10 | 4 years, 202 days | 1 | MSZP | ||
| 11 | 4 years, 121 days | 1 | Liberal Party | ||
| 12 | 4 years, 43 days | 1 | Liberal Party | ||
| 13 | 4 years, 5 days | 1 | Party of National Unity | ||
| 14 | 3 years, 356 days | 1 | MSZP | ||
| 15 | 3 years, 348 days | 1 | MDP | ||
| 16 | 3 years, 228 days | 1 | MSZMP | ||
| 17 | 3 years, 203 days | 1 | MDF | ||
| 18 | 2 years, 316 days | 2 | Party of National Unity | ||
| 19 | 2 years, 249 days | 1 | Liberal Party | ||
| 20 | 2 years, 225 days | 2 | Liberal Party | ||
| 21 | 2 years, 125 days | 1 | MSZP | ||
| 22 | 2 years, 13 days | 1 | Party of Hungarian Life | ||
| 23 | 1 year, 299 days | 2 | MDP | ||
| 24 | 1 year, 288 days | 1 | MSZMP | ||
| 25 | 1 year, 220 days | 1 | Party of National Unity | ||
| 26 | 1 year, 193 days | 1 | FKGP | ||
| 27 | 1 year, 189 days | 1 | MDP | ||
| 28 | 1 year, 180 days | 1 | MSZMP | ||
| 29 | 1 year, 152 days | 1 | MSZMP | ||
| 30 | 1 year, 116 days | 1 | FKGP | ||
| 31 | 1 year, 107 days | 1 | Deák Party | ||
| 32 | 1 year, 49 days | 1 | National Party of Work | ||
| 33 | 1 year, 45 days | 1 | MSZP | ||
| 34 | Gyula Károlyi | 1 year, 38 days | 1 | Unity Party | |
| 35 | 1 year, 20 days | 1 | Deák Party | ||
| 36 | 346 days | 1 | Deák Party | ||
| 37 | 338 days | 1 | Party of Hungarian Life | ||
| 38 | 328 days | 1 | Independent | ||
| 39 | 324 days | 1 | MDP | ||
| 40 | 294 days | 1 | Independent | ||
| 41 | 278 days | 1 | Party of National Unity | ||
| 42 | 232 days | 1 | Liberal Party | ||
| 43 | 215 days | 1 | MDF | ||
| 44 | 211 days | 1 | Opposition Party | ||
| 45 | 199 days | 1 | Opposition Party | ||
| 46 | 163 days | 1 | Arrow Cross Party | ||
| 47 | 160 days | 1 | Independent | ||
| 48 | 133 days | 1 | KMP | ||
| 49 | 126 days | 1 | KNEP | ||
| 50 | 112 days | 1 | KNEP | ||
| 51 | 109 days | 1 | KNEP | ||
| 52 | 101 days | 1 | Opposition Party | ||
| 53 | 78 days | 1 | FKGP | ||
| 54 | 72 days | 1 | Károlyi Party | ||
| 55 | 69 days | 1 | Károlyi Party | ||
| 56 | 66 days | 1 | Independent | ||
| 57 | 48 days | 1 | Independent | ||
| 58 | 5 days | 1 | MSZDP | ||
| 59 | 17 hours | 1 | Constitution Party |