Francis Paul Wilson is an American medical doctor and author known for his work in horror, adventure, medical thrillers, science fiction, and other genres of literary fiction. Born on May 17, 1946, in Jersey City, New Jersey, Wilson has gained recognition through his notable works such as the Repairman Jack novels—including Ground Zero, The Tomb, and Fatal Error—and the Adversary cycle, which includes The Keep. He has also developed a young adult series featuring the teenage Jack.

Wilson's accolades include the Prometheus Award, the Bram Stoker Award, the Inkpot Award from the San Diego ComiCon, and the Lifetime Achievement Award from the Horror Writers of America, among other honors. A fan of H. P. Lovecraft, Wilson has expressed his admiration for the author's influence on his own writing.

Wilson continues to reside in Wall, New Jersey, and maintains a parallel career as a part-time practicing family physician. His contributions to literature extend beyond traditional novels; he has also worked in interactive scripting for Disney Interactive and other multimedia companies.

Throughout his career, Wilson has explored speculative theories and technologies in his writing, as seen in works like An Enemy of the State. His short stories have been adapted into short films, and there have been ongoing discussions about film adaptations of his novels, particularly those featuring the character Repairman Jack.