| Election Name: | 2004 United States Senate election in Utah |
| Country: | Utah |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1998 United States Senate election in Utah |
| Previous Year: | 1998 |
| Next Election: | 2010 United States Senate election in Utah |
| Next Year: | 2010 |
| Flag Year: | 1922 |
| Election Date: | November 2, 2004 |
| Image1: | File:Robert Foster Bennett, US Senator.jpg |
| Nominee1: | Bob Bennett |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 626,640 |
| Percentage1: | 68.73% |
| Nominee2: | Paul Van Dam |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 258,955 |
| Percentage2: | 28.40% |
| Map Size: | 230px |
| U.S. Senator | |
| Before Election: | Bob Bennett |
| Before Party: | Republican Party (United States) |
| After Election: | Bob Bennett |
| After Party: | Republican Party (United States) |
The 2004 United States Senate election in Utah was held on November 2, 2004. Incumbent Republican U.S. Senator Bob Bennett won re-election to a third term.
| Poll source | Date(s) administered | Sample size[3] | Margin of error | Bob Bennett (R) | Paul Van Dam (D) | Gary Van Horn (C) | Undecided | ||
|---|---|---|---|---|---|---|---|---|---|
| Dan Jones & Associates[4] | October 21–28, 2004 | 1228 (V) | ± 3.3% | 65% | 22% | 2% | 11% | ||
| Valley Research[5] | October 21–26, 2004 | 1200 (RV) | ± 2.8% | 61% | 23% | 16% | |||
| for Salt Lake Tribune[6] | September 24–29, 2004 | 400 (LV) | ± 4.9% | 62% | 19% | 19% | |||
| Dan Jones & Associates[7] | September 6–9, 2004 | 915 (V) | ± 3.3% | 60% | 23% | 1% | 16% | ||
| Dan Jones & Associates[8] | July 6–10, 2004 | 920 (RV) | ± 3.5% | 61% | 24% | 15% | |||
| Dan Jones & Associates[9] | May 10–13, 2004 | 923 (V) | ± 3.2% | 64% | 24% | 12% | |||
| Dan Jones & Associates[10] | March 17–20, 2004 | 612 (V) | ± 4% | 63% | 16% | 2% | 19% |