United States gubernatorial elections were held on November 8, 1988, in 12 states and two territories. Going into the elections, eight seats were held by Republicans, and four by Democrats. After the elections, the Democrats had a net gain of one seat. The elections coincided with the United States House elections, United States Senate elections and presidential election. As of 2025, this is the last time that a Republican was elected as a Governor of Delaware, and the last time a Democrat was elected as a Governor of North Dakota.

Election results