The Fussball Club Basel 1893 1988–89 season was their 95th season since the club's foundation. Charles Röthlisberger was the club's chairman, in the club's history he was their 31st chairman and this was his second year in this position. FC Basel played their home games in the St. Jakob Stadium. Following their relegation the season before this was their first season in the second tier of Swiss football since the 1945–46 season.