is a Welsh professional footballer and coach who plays as a midfielder for Seattle Reign FC and the Wales national team. She is Wales’s all-time record goal scorer. She previously played for Bristol Academy in England's FA Women's Super League (FA WSL), AZ Alkmaar in the Dutch Eredivisie, Rangers Ladies in the Scottish Women's Premier League, Melbourne Victory and Melbourne City in Australia's W-League, as well as Bundesliga club FFC Frankfurt in Germany.

Fishlock was named Welsh Footballer of the Year in 2011, 2012, 2013, 2014, and 2019. She became the first Welsh player to earn 100 caps for the national team in April 2017. She has won multiple championships and regular season titles with the teams she has played for including the two consecutive Eredivisie championships, four W-League Grand Final championships, Scottish Women's Premier League and Scottish Women's Cup titles, and two consecutive NWSL Shield wins. Although Fishlock returned to Seattle prior to the 2015 UEFA Women's Champions League Final after playing on loan for FFC Frankfurt, her contributions to the team's journey to the title subsequently earned her a UEFA Women's Champions League medal. In 2021, she received the NWSL Most Valuable Player award with the Reign.

In February 2017, Fishlock coached Melbourne City to its second consecutive W-League Grand Final title. She previously coached Cardiff City Ladies F.C.