Alan Dunn (1900–1974) was a cartoonist known for his work in The New Yorker. He also had architectural expertise and submitted work to Architectural Record. He was married to fellow cartoonist Mary Petty.
He eventually became The New Yorker's most prolific illustrator, creating nine covers and nearly 2000 cartoons over 47 years.
A cartoon of his is credited with inspiring the Fermi Paradox