Genevieve O'Reilly (born 6 January 1977) is an Irish actress. She is known for her work in the Star Wars franchise as Mon Mothma, having portrayed the character in Revenge of the Sith, Rogue One, and the Disney series Andor, as well as her voice role as the character in Star Wars Rebels, and as Moira in Overwatch.

Alongside her appearances in television, O'Reilly is also known for her career in films with her credits in the movie industry notably including the 2004 film Avatar in which she portrayed Dash MacKenzie, the 2009 period drama The Young Victoria in which she played Lady Flora Hastings, and the 2010 romantic movie Forget Me Not where she played Eve. In 2016, O'Reilly appeared in the role of Tarzan's mother in The Legend of Tarzan.

Early life and education
O'Reilly was born on 6 January 1977 in Dublin, Ireland, and raised in Adelaide, Australia. She is the eldest of four siblings. At the age of twenty O'Reilly moved to Sydney to attend the National Institute of Dramatic Art, graduating in 2000.

Personal life
In 2005, she moved to the United Kingdom with her husband, Luke Mulvihill, and lives in East London. They have two children, a son and a daughter.