The 1969–70 season was Fussball Club Basel 1893's 76th season in their existence. It was their 24th consecutive season in the top flight of Swiss football after their promotion the season 1945–46. They played their home games in the St. Jakob Stadium.
Overview
was player-manager for the fifth consecutive season. 14 teams contested in the 1969–70 Nationalliga A and Basel won the championship a point clear of Lausanne Sports who ended in second position and three points ahead of FC Zürich who finished third. Basel won 15 of the 26 games, drawing seven, losing four times, they scored 59 goals conceding 23. Helmut Hauser was the team's top goal scorer with 14 league goals and Walter Balmer second top scorer with 12 league goals. On 14 September 1969 Basel started in the Swiss Cup in the round of 32 with a 10–0 home win against Minerva Bern. In the round of 16 played on 12 October Basel had a home match against Grenchen which was won 3–2. In the quarter-final, played in November, Basel had a two legged tie against Xamax-Sports NE. This was won 7–2 on aggregate. The semi-final was also a two legged tie and this against Servette Genève. Basel won both legs and 6–1 on aggregate. The final was played on 18 May 1970 in the Wankdorf Stadium, but was lost against Zürichafter extra time. In the European Cup Basel were drawn against Scottish club Celtic. The first leg, which played on 17 September 1969 in the St. Jakob Stadium in front of 37,587 spectators, ended in a goalless draw. The return leg on 1 October in Celtic Park attracted 49,976 spectators. Celtic won the game 2–0 and advanced to the next round. In the 1969 Cup of the Alps Basel won their group and in the final they beat Bologna 3–1.
;Round of 32 ;Round of 16 ;Quarter-final Basel won 7 – 2 on aggregate. ;Semi-final Basel won 6 – 1 on aggregate. ;Final Zürich won 4–1 after extra time.
European Cup
;First round Celtic won 2–0 on aggregate.
Coppa delle Alpi
Group B matches
NB: teams did not play compatriots; Waregem did not play Eintracht
Group B table
Final
The Final was played in St. Jakob Stadium, Basel, between the winners of both groups.