Willemijn Bos (born 2 May 1988) is a Dutch field hockey defender. In 2011, she was included to the All-Star team by the International Hockey Federation. She was to be selected for the 2012 Summer Olympics but tore her anterior cruciate ligament during a friendly against the United States three days before the Games and had to withdraw. She returned to competitions in March 2013, and won a silver medal at the 2016 Rio Olympics.[2]