1998 Oregon gubernatorial election

The 1998 Oregon gubernatorial election took place on November 3, 1998. Incumbent Democrat John Kitzhaber easily defeated Republican Bill Sizemore to win a second term. Kitzhaber won 35 out of 36 counties; the only county won by Sizemore was Malheur County. This is the only gubernatorial election since 1982 in Oregon in which the margin of victory was in double digits. It is also the most recent election in which any county in Eastern Oregon or Southern Oregon voted for the Democratic nominee, and the most recent gubernatorial election in which a candidate would win while carrying the majority of the state's counties. Sizemore ran again for governor in 2010 and 2022 and lost the Republican primary both times.

This election was the first time where an incumbent Democratic Governor of Oregon was re-elected since 1906.