2006–07 Swiss Challenge League

The 2006–07 Swiss Challenge League was the fourth season of the Swiss Challenge League, the second tier of the Swiss football league pyramid. It began on 21 July 2006 and ended on 26 May 2007. The champions of this season, Neuchâtel Xamax, earned promotion to the 2007–08 Super League. The bottom tho teams, FC Baulmes and YF Juventus, were relegated to the 1. Liga.

Promotion/relegation playoff
As 9th-placed team of the 2006–07 Swiss Super League FC Aarau played a two-legged play-off against Challenge League runners-up AC Bellinzona for a spot in the 2007–08 Super League.

''Aarau won 5–2 on aggregate and retain their place in the Swiss Super League. Bellinzona remain in the Swiss Challenge League''.