Desmond Robert "Bill" Leak (9 January 1956 – 10 March 2017) was an Australian editorial cartoonist, caricaturist and portraitist. Raised in Condobolin and Beacon Hill, Sydney, Leak attended Julian Ashton Art School during the 1970s. His cartoons were first published in 1983 in The Bulletin and after he drew for The Sydney Morning Herald until 1994, when he was recruited by News Limited to contribute to The Daily Telegraph-Mirror and later to The Australian. As an artist and illustrator, Leak was acclaimed by journalist Peter FitzSimons as "colossally talented, driven, and passionate for his craft".