Karen Duggan (born 29 May 1991) is a former Republic of Ireland womens international footballer who currently plays for Peamount United.
She has previously played for UCD Waves. Between 2013 and 2016 Duggan was selected for the Womens National League Team of the Season for four successive seasons. She was the only player selected all four seasons.
In 2015–16 she was also WNL Senior Player of the Season. Duggan has also played camogie at club, university and county level
Duggan has represented the Republic of Ireland at under 15, under 17, under 19, university and senior level.
In December 2011, together with Julie-Ann Russell, Louise Quinn, Megan Campbell, Grace Murray, Dora Gorman and Ciara Grant, Duggan was included in an FAI scholarship programme for potential senior womens internationals.
Duggan made her senior debut at the 2013 Cyprus Cup, in a 1–0 win over South Africa. She also represented the Republic of Ireland in their 2015 FIFA Womens World Cup and UEFA Womens Euro 2017 qualifying campaigns. Duggan also represented Ireland at the 2013 Summer Universiade.