Stefanie von Siebenthal (born 8 November 1977) is a Swiss snowboarder. 

Siebenthal was born in  Saanen. She competed at the 1998 Winter Olympics, in giant slalom, and at the 2002 Winter Olympics.

References

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1977 births
Living people
Sportspeople from Bern
Swiss female snowboarders
Olympic snowboarders for Switzerland
Snowboarders at the 1998 Winter Olympics
Snowboarders at the 2002 Winter Olympics