Nils Frei (born 19 January 1973) is a Swiss sailor who has sailed for Alinghi in the America's Cup and Extreme Sailing Series.
He attempted to qualify for the Olympics in a 49er before attending the University of Geneva, where he studied geography.
[2][3] Alinghi then successfully defended the 2007 America's Cup.
Frei was the downward trimmer on Alinghi 5 when it lost the 2010 America's Cup.
This biographical article related to sailing in Switzerland is a stub.