2005–06 in Swiss football

The following is a summary of the 2005–06 season of competitive football in Switzerland.

Promotion/relegation play-offs
The ninth-placed team in the 2005–06 Swiss Super League, Neuchâtel Xamax, played a two-legged play-off against the Challenge League runners-up, Sion, for a spot in the 2006–07 Super League.

''Sion won 3–0 on aggregate and are promoted. Neuchâtel Xamax lose and are relegated.''

Qualification round
 Servette win 6–1 on aggregate

 Delémont win 7–0 on aggregate

 Étoile Carouge win 4–2 on aggregate

3–3 on aggregate UGS win on away goals

Final round
 Delémont win 2–1 on aggregate and are promoted to the 2006–07 Challenge League.

 Servette win 5–1 on aggregate and are promoted to the 2006–07 Challenge League.

Swiss Cup
BSC Young Boys beat FC Zürich 4–1 in the first drawn semi-final and FC Sion beat FC Winterthur 1–0 in the second semi-final. The winner of the first drawn semi-final is considered as home team. The final was played on 17 April 2006 and took place at Stade de Suisse, Wankdorf in the Swiss capital Bern.

Swiss Clubs in Europe

 * Basel as 2004–05 champions: Champions League third qualifying round
 * Thun as runner-up: Champions League second qualifying round
 * Grasshoppers as third placed team: UEFA Cup second qualifying round
 * Zürich as 2004–05 Swiss Cup winners: UEFA Cup second qualifying round
 * Young Boys as fourth placed team: Intertoto Cup second round
 * Xamax as sixth placed team: Intertoto Cup first round
 * Vaduz as 2004–05 Liechtenstein Cup winners: UEFA Cup first qualifying round

Third qualifying round
''Werder Bremen won 4–2 on aggregate. Basel transfer to 2005–06 UEFA Cup''

First round
Basel won 6-0 on aggregate.

Round of 32
Basel won 2–1 on aggregate.

Round of 16
Basel won 4-2 on aggregate.

Quarter-finals
Middlesbrough won 4-3 on aggregate.

Second qualifying round
3–3 on aggregate, Grasshoppers win on away goals

First round
Grasshoppers won 4-1 on aggregate.

Second qualifying round
Zürich win 5–1 on aggregate

Third qualifying round
Brøndby won 3–2 on aggregate.

Second qualifying round
Young Boys won 6–2 on aggregate.

Third qualifying round
Marseille won 5–3 on aggregate.

First qualifying round
Neuchâtel Xamax won 9–1 on aggregate.

Second qualifying round
Saint-Étienne won 3–2 on aggregate.

First qualifying round
Vaduz won 2–1 on aggregate

Second qualifying round
Beşiktaş win 6–1 on aggregate