The 2009–10 season was Fussballclub Zürich's 20th consecutive season in the Swiss Super League and 113th year in existence as a football club.

In addition to the domestic league, Zürich participated in this season's editions of the Swiss Cup and UEFA Champions League.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Players may hold more than one non-FIFA nationality.

Source: [1] Source: Competitions Source: Competitions