Sara Björk Gunnarsdóttir (born 29 September 1990) is an Icelandic professional footballer who plays as a midfielder for Italian Serie A club Juventus FC and captains the Iceland women's national team. Sara Björk has been part of the Iceland women's national football team since 2007 and represented her country at the 2009, 2013 2017 and 2022 editions of the UEFA Women's Championship. She is the only woman to have been named the Icelandic Sportsperson of the Year twice, in 2018 and 2020. In August 2020, she became the first Icelander to win the UEFA Women's Champions League.