Fiona O'Malley (born 19 January 1968) is an Irish former politician who served as a Senator from 2007 to 2011, after being nominated by the Taoiseach.
Her father, Desmond O'Malley, was a former Fianna Fáil cabinet minister and founder of the Progressive Democrats.
A graduate of Trinity College Dublin and City University London, she worked as an Arts Administrator before entering politics and as a Personal assistant to Liz O'Donnell from 1998 to 2000.
She was also a member of the Dáil All-Party group concerned with matters of sexual and reproductive health.
She lost her Dáil seat at the 2007 general election, but was nominated by the Taoiseach, Bertie Ahern to the Seanad in August 2007.