Sara Björk Gunnarsdóttir

Sara Björk joined local team Haukar at the age of six and remained until she was 18.

FC Malmö

After three subsequent seasons with Breiðablik, she left Iceland in 2011, to sign a three-year professional contract with Swedish club LdB FC Malmö. She was an immediate success in Sweden, contributing 12 goals as Malmö won the Damallsvenskan title. In August 2013 she announced the extension of her Malmö contract for another two and a half seasons via Twitter.

VfL Wolfsburg

In May 2016, Sara Björk announced that she would not extend her contract with Malmö (now known as FC Rosengård) and planned to leave Sweden after winning four Damallsvenskan titles in five years. At that stage she did not confirm speculation that she was heading for German club VfL Wolfsburg. Shortly afterwards the transfer to Wolfsburg was made official, ahead of their 2016–17 season. In her four seasons with Wolfsburg, the club won the Frauen-Bundesliga and the German Cup each year.

Olympique Lyonnais

On 1 July 2020, she joined Olympique Lyonnais. On 9 August, she won her first title with the club when it defeated Paris Saint-Germain in the Coupe de France after penalties. On 30 August, she scored one goal in Olympique Lyonnais' 3–1 win against her former club, Wolfsburg, in the UEFA Women's Champions League final. In December 2020, Sara was named the Icelandic Sportsperson of the Year, becoming the first woman to win it twice. In April 2021, she announced that she was pregnant…

Sara Björk was included in Iceland's senior national squad in August 2007, aged 16. She had recovered from an anterior cruciate ligament injury after having to delay surgery because she was too young and her bones were not yet fused. Still a month short of her 17th birthday, she made her national team debut in a UEFA Women's Euro 2009 qualifying match versus Slovenia in Dravograd. Sara Björk substituted in for Katrín Ómarsdóttir on 87 minutes. Sara Björk scored twice in Iceland's 3–1 win over Norway at the 2009 Algarve Cup and was selected in the squad for the UEFA Women's Euro 2009 finals in Finland. She played in all three group matches as Iceland were eliminated in the first round. Women's national team coach Siggi Eyjólfsson selected Sara Björk in the Iceland squad for UEFA Women's Euro 2013, where she played in all four matches including the 4–0 quarter-final defeat to hosts Sweden. With Margrét Lára Viðarsdóttir on maternity leave, incoming national coach Freyr Alexandersson appointed Sara Björk as Iceland's new team captain in 2014. Sara Björk limped out of the 2018 UEFA Women's Champions League Final with an injury. She was ruled out of Iceland's match with Slovenia in June 2018, which was the first national team fixture she had missed since 2009. On 13 January 2023, she announced her retirement from the Icelandic national team.

Club

As of match played 11 March 2023

International

As of match played 12 October 2022

Scores and results list Iceland's goal tally first, score column indicates score after each Gunnarsdóttir goal.

Sara Björk is married to fellow footballer Árni Vilhjálmsson; the couple have a son together. In January 2023, Sara Björk wrote an article in the Player's Tribune publicizing Lyon's neglect of maternal care for her while she was pregnant and postpartum, including failure to properly pay her.