The 1968 United States Senate election in Kansas took place on November 5, 1968, concurrently with the U.S. presidential election as well as 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 Republican U.S. Senator Frank Carlson did not run for re-election. Republican nominee Bob Dole won his first term in office, defeating Democratic nominee William I. Robinson with 60.08% of the vote.
Primary elections were held on August 6, 1968.