John Alcorn (February 10, 1935 – January 27, 1992) was an American commercial artist and designer, and an illustrator of children's books.

During his career, Alcorn created numerous book jackets and paperback covers, and his work appeared in many major exhibits.

Alcorn's early career included work in the art department of Esquire magazine, a brief stint with a pharmaceutical advertising agency, and sound training at the Push Pin Studios, the celebrated design studio founded by Milton Glaser, Seymour Chwast, Reynold Ruffins, and Edward Sorel.

He worked with leading publishers such as Simon& Schuster, Little, Brown and Company, Pantheon Books, Random House, and others.

In 1971, the Japanese magazine IDEA dedicated an issue to John Alcorn's work and described him as one of the principal protagonists of the contemporary American graphic design.

[5] He started collaborating with the Rizzoli publishing house and played an important role in redesigning the brand, its book covers and catalogues.

Alcorn created the title designs for Federico Fellini's film Amarcord as well as Ginger and Fred and And the Ship Sails On.

[7] Following graduation from Cooper Union, Alcorn married and in 1962 settled in Ossining, New York, where he lived with his wife Phyllis, and their four sons.