| Country: | Mongolia |
| Previous Election: | 2000 |
| Next Election: | 2008 |
| Election Date: | 27 June 2004 |
| Seats For Election: | All 76 seats in the State Great Khural |
| Majority Seats: | 39 |
| Party1: | MPRP |
| Leader1: | Nambaryn Enkhbayar |
| Percentage1: | 48.23 |
| Seats1: | 36 |
| Last Election1: | 72 |
| Party2: | EOA |
| Leader2: | Tsakhiagiin Elbegdorj |
| Percentage2: | 44.27 |
| Seats2: | 34 |
| Last Election2: | 1 |
| Party3: | Mongolian Republican Party |
| Leader3: | Bazarsad Jargalsaikhan |
| Percentage3: | 1.38 |
| Seats3: | 1 |
| Last Election3: | 0 |
| Party4: | Independents |
| Leader4: | – |
| Percentage4: | 3.41 |
| Seats4: | 3 |
| Last Election4: | 1 |
| Prime Minister | |
| Before Election: | Nambaryn Enkhbayar |
| Before Party: | MPRP |
| After Election: | Tsakhiagiin Elbegdorj |
| After Party: | Democratic Party |
Parliamentary elections were held in Mongolia on 27 June 2004.[1] The Mongolian People's Revolutionary Party remained the largest party in the State Great Khural, winning 36 of the 76 seats. On 27 February 2005 a by-election was held in the 59th constituency and was won by the MPRP, giving them an extra seat.[2]