| Country: | Czech Republic |
| Type: | parliamentary |
| Previous Election: | 2002 Czech Senate election |
| Previous Year: | 2002 |
| Election Date: | 5 and 6 November 2004 (first round) |
| Next Election: | Czech Senate election, 2006 |
| Next Year: | 2006 |
| 1Blank: | First round |
| 2Blank: | Second round |
| Image1: | Mirek Topolanek.jpg |
| Leader1: | Mirek Topolánek |
| Party1: | Civic Democratic Party (Czech Republic) |
| Seats1: | 19 |
| 1Data1: | 241,120 33.27% |
| 2Data1: | 257,861 53.85% |
| Leader2: | Miroslav Kalousek |
| Party2: | Christian and Democratic Union – Czechoslovak People's Party |
| Seats2: | 4 |
| 1Data2: | 97,956 13.52% |
| 2Data2: | 54,501 11.38% |
| Image3: | Miroslav_Grebeníček_(4).jpg |
| Leader3: | Miroslav Grebeníček |
| Party3: | Communist Party of Bohemia and Moravia |
| Seats3: | 1 |
| 1Data3: | 125,892 17.37% |
| 2Data3: | 65,136 13.60% |
Senate elections were held in the Czech Republic on 5 and 6 November 2004, with a second round on 12 and 13 November.[1] The result was a victory for the Civic Democratic Party, which won 37 of the 81 seats. Voter turnout was 28.6% in the first round and just 18.4% in the second.[2]