The Fussball Club Basel 18931981–82 season was their 88th season since the club was founded. It was their 36th consecutive season in the top flight of Swiss football after they won promotion during the season 1945–46. They played their home games in the St. Jakob Stadium. Pierre Jacques Lieblich was club chairman for the second year running.
Helmut Benthaus was first team manager for the sixteenth consecutive season. Basel played in the 1981–82 Nationalliga A. The league championship format was expanded from the 1980–81 season to include sixteen teams. Basel ended the season in eighth position, 21 points behind Zürich who became champions. In their 30 league games Basel won eleven, drew six and lost thirteen matches, which meant that the totaled 28 points. They scored 47 goals, conceeding 51.
Basel entered into the Swiss Cup in the round of 64. Here they were drawn away against Sursee and on 26 September they won the match 9–1. In the round of 32 they were drawn away against Bellinzona and this match was on 31 October and Basel won 1–0. In the round of 16 they were drawn away from home against Aarau on 30 March 1982 and this match was won 3–2. In the quarterfinal Basel played at home against Lausanne-Sport and this ended with a 2–1 victory. The semi-final was played on 4 May in the St. Jakob Stadium against SR Delémont and Basel won 3–0. In the Final, played in the Wankdorf Stadium, was against Sion. After a freekick on the sideline, in the 21st minute, a headed goal from Alain Balet secured Sion the trophy.
In first round of the Swiss League Cup Basel were also drawn at home against Young Boys and a 1–0 victory took them to the next round. Here they played away against Grenchen and came away with a 2–1 victory. In the quarterfinal Basel played on the Stadion Brügglifeld but were eliminated by Aarau.
Basel were not qualified to play any of the european competitions, but they did enter the Coppa delle Alpi. They played together with Lausanne-Sport in Group A against Bordeaux and Bastia. Basel won the group and continued to the final, which was played on 29 September 1981 in Basel against Sochaux. They game ended 2–2 after extra time and Basel won on penalties.