The 2004 United States House of Representatives elections in Connecticut were held on November 2, 2004, to elect the five members of the U.S. House, one from each of the state's congressional districts, to represent Connecticut in the 109th Congress. The elections coincided with the Presidential election and a U.S. Senate election, as well as with Congressional elections in other states.
No seats changed partisan control. The republicans held on to their majority of districts in Connecticut. This is the last time Republicans had a majority of congressional districts in Connecticut.