Michael Leunig (2 June 1945 – 19 December 2024), typically referred to as Leunig (his signature on his cartoons), was an Australian cartoonist. His works include The Curly Pyjama Letters, cartoon books The Essential Leunig, The Wayward Leunig, The Stick, Goatperson, Short Notes from the Long History of Happiness and Curly Verse, among others and The Lot, a compilation of his 'Curly World' newspaper columns. Leunig has also written a book of prayers, When I Talk To You.

He was declared an Australian Living Treasure by the National Trust of Australia in 1999.