Andrew Weldon is a Melbourne-based illustrator and cartoonist. His cartoons have been published widely, nationally and internationally, including in The New Yorker, The Spectator (UK), Private Eye, and the Chaser books and website.

For many years his cartoons appeared regularly in the Age, the Sunday Age and the Sydney Morning Herald newspapers, and he has been the cartoonist for the Big Issue Australia since the magazine's inception in 1996. His political cartoons have featured regularly in the Best Australian Political Cartoons collections, and in the Museum of Australian Democracy's annual Behind the Lines 'best-of' political cartooning exhibitions.

He has published books for both children and adults, including cartoon collections, I'm So Sorry Little Man, I Thought You Were a Hand-Puppet and If You Weren't a Hedgehog...If I Weren't a Haemophiliac..., as well as the children book series Don't Look Now, co-created with Paul Jennings.