John Verpoorten (May 15, 1940 – December 1977) was a comic book artist and editorial worker. After attending New York's School of Visual Arts, Verpoorten began his career at the Tom Gill Studio for four years.
In 1967, Verpoorten started working for Marvel Comics as an inker. He worked on books including Fantastic Four, The Inhumans, and Captain America before becoming Marvel's production manager, coordinating the work of writers, artists, letterers and printers. He held this position for seven years, until his death in 1977.