| Election Name: | 2004 United States House of Representatives elections in Ohio |
| Country: | Ohio |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 2002 United States House of Representatives elections in Ohio |
| Previous Year: | 2002 |
| Next Election: | 2006 United States House of Representatives elections in Ohio |
| Next Year: | 2006 |
| Seats For Election: | All 18 Ohio seats to the United States House of Representatives |
| Party1: | Republican Party (United States) |
| Last Election1: | 12 |
| Seats1: | 12 |
| Popular Vote1: | 2,650,122 |
| Percentage1: | 51.13% |
| Swing1: | 4.18% |
| Party2: | Democratic Party (United States) |
| Last Election2: | 6 |
| Seats2: | 6 |
| Popular Vote2: | 2,514,615 |
| Percentage2: | 48.51% |
| Swing2: | 5.40% |
| Map Size: | 250px |
The 2004 United States House of Representatives elections in Ohio were held on Tuesday, November 2, 2004, to elect the 18 U.S. representatives from the state of Ohio, one from each of the state's 18 congressional districts. The elections coincided with the elections of other federal and state offices, including a presidential election and an election to the U.S. Senate.
| United States House of Representatives elections in Ohio, 2004[1] | |||||||
|---|---|---|---|---|---|---|---|
| Party | Votes | Percentage | Seats before | Seats after | +/– | ||
| Republican | 2,650,122 | 51.13% | 12 | 12 | align="right" | - | |
| Democratic | 2,514,615 | 48.51% | 6 | 6 | align="right" | - | |
| Independent | 18,771 | 0.36% | 0 | 0 | align="right" | - | |
| Totals | 5,183,508 | 100% | 18 | 18 | — | ||
See also: Ohio's 1st congressional district.
See also: Ohio's 2nd congressional district.
See also: Ohio's 3rd congressional district.
See also: Ohio's 4th congressional district.
See also: Ohio's 5th congressional district.
See also: Ohio's 6th congressional district.
See also: Ohio's 7th congressional district.
See also: Ohio's 8th congressional district.
See also: Ohio's 9th congressional district.
See also: Ohio's 10th congressional district.
See also: Ohio's 11th congressional district.
See also: Ohio's 12th congressional district.
See also: Ohio's 13th congressional district.
See also: Ohio's 14th congressional district.
See also: Ohio's 15th congressional district.
See also: Ohio's 16th congressional district.
See also: Ohio's 17th congressional district.
See also: Ohio's 18th congressional district.