The 1987–88 Seattle SuperSonics season was the 21st season of the Seattle SuperSonics in the National Basketball Association (NBA). It was Bernie Bickerstaff's first season with a winning percentage above .500, coaching the Sonics to a 44–38 record. However, in the 1988 NBA Playoffs, they lost in five games to the Denver Nuggets in the first round. Xavier McDaniel was selected for the 1988 NBA All-Star Game.