Do I need an airport transit visa through Switzerland (Schengen) if I have no Schengen visa?

Assuming that you hold an Egyptian passport (as you did not specify that in the message), you do not need a visa provided you are either: 1) transiting in Geneva airport on the same calendar day or 2) transiting in Zurich and will be there for less than 48 hours. Source: http://www.staralliance.com/en/services/visa-and-health/ Also, read these posts on this topic for more information: Is there any online resource that can tell me what visa rules are for passport holders of a specific country? How to quickly find out the entry requirements to country X for a citizen of country Y?