1998 United States Senate election in Oklahoma

The 1998 United States Senate election in Oklahoma was held November 3, 1998. Incumbent Republican U.S. Senator Don Nickles won re-election to his fourth and final term. Nickles won in a landslide, carrying all but one of the 77 counties in the state. The sole county Democratic candidate Don Carroll won was Haskell County.

Democratic

 * Don Carroll, air conditioning repairman

Republican

 * Don Nickles, incumbent U.S. Senator