Fiona Taheny (born 16 July 1963), commonly known as Fiona O'Loughlin, is an Australian comedian living in Melbourne.
O'Loughlin has made television performances on ABC TV's Spicks and Specks, and Network Ten's Rove Live, Good News Week, All Star Family Feud, The Project, Studio 10, Show Me the Movie! and Hughesy, We Have a Problem and a series of advertisements for Heinz soups.
She has performed as a headline act in the Melbourne International Comedy Festival and the Edinburgh Fringe festival.
In 2011 a book of her short stories, Me of the Never Never: The (Chaotic) Life and Times of Fiona O'Loughlin was published by Hachette Australia.