No, they speak German in Zürich.
Zürich is in the German speaking part of Switzerland. The fact that the name contains the letter 'ü' is a clue. This letter only exists in German, not in French.
French is spoken in the western third of Switzerland, including the cities of Geneva (French: Genève) and Lausanne .
See the links below for more details.
french people speak french but they don't only have to speak french.
French people
in Benin how many people Speak French
People who speak French are referred to as francophones.
people speak french in Monaco
78.6% of the people in French Guiana speak French...
twenty percentage of people in marseille speak french
People who speak fluent French are called Francophones.
french speak french
french
people who speak french
The primary language spoken in Zurich, Switzerland is Swiss German.