is an Irish professional footballer who plays for English Women's Super League club Arsenal and captains the Republic of Ireland women's national team. Mainly a left back, she can also operate as a left winger and a left midfielder. McCabe is the fourth Irish woman to win a UEFA Champions League trophy.

As a teenager, McCabe won the Irish Women's National League title twice and the FAI Women's Cup three times with Raheny United before signing with Arsenal in 2015. With Arsenal, she has won the FA Cup in 2016, the 2018–19 WSL, three League Cups, and the Champions League. She was also named in the PFA Team of the Year for 2021. During her short loan to Glasgow City in 2017 she also won the SWPL.

After earning her first Ireland cap in 2015, she was named the country's captain in 2017, the youngest captain in the history of the team, and named as Ireland Women's Player of the Year in 2021. In 2023, The Guardian has described McCabe as \"the undoubted face of Irish women's football\" and the Irish Times named her Sportswoman of the Year. She won Irelands 2023 international goal of the year for her olimpico goal against Canada in the 2023 Women's World Cup

In 2023, McCabe made history as the first Irish woman nominated for the renowned women’s Ballon d’Or award. She is the first Irish player nominated since Roy Keane’s nomination in 2000.