Soko Yamaoka
# Soko Yamaoka

Soko Yamaoka (山岡聡子, Yamaoka Sōko, born 29 May 1974 in Nagano) is a Japanese snowboarder. She has competed in the halfpipe event at the 2006 Winter Olympics, where she placed 10th, and the 2010 Winter Olympics, where she placed 16th. She also competed at the World Snowboard Championships from 2003 through 2009.

