Rob Guillory is an American comic book artist, born on June 2, 1982. He is best known for his art on the series Chew, published by Image Comics. Guillory is currently working on Farmhand, which he both writes and draws, also published by Image Comics. Additionally, he writes Mosely, published by Boom! Studios.

Born, raised, and currently based in Lafayette, Louisiana, Guillory's work on Chew has been highly acclaimed, winning two Harvey Awards, including Best New Talent for Guillory, and two Eisner Awards for Best New Series in 2010 and Best Continuing Series in 2011.