| Election Name: | 2004 United States House of Representatives election in Montana |
| Country: | Montana |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 2002 United States House of Representatives election in Montana |
| Previous Year: | 2002 |
| Next Election: | 2006 United States House of Representatives election in Montana |
| Next Year: | 2006 |
| Election Date: | November 2, 2004 |
| Nominee1: | Denny Rehberg |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 286,076 |
| Percentage1: | 64.4% |
| Nominee2: | Tracy Velazquez |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 145,606 |
| Percentage2: | 32.8% |
| U.S. Representative | |
| Before Election: | Denny Rehberg |
| Before Party: | Republican Party (United States) |
| After Election: | Denny Rehberg |
| After Party: | Republican Party (United States) |
The 2004 United States House of Representatives election in Montana were held on November 2, 2004, to determine who will represent the state of Montana in the United States House of Representatives. Montana had one, at large district in the House, apportioned according to the 2000 United States census, due to its low population. Representatives are elected for two-year terms.