The 1998 United States Senate election in Connecticut was held November 3, 1998 alongside other elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections. Incumbent Democratic U.S. Senator Chris Dodd won re-election for a fourth term against former Republican U.S. Congressman Gary Franks.
Dodd won all six congressional districts, including two that elected Republicans.