I, Q is a 1999 Star Trek novel by John de Lancie and Peter David. Set in the Star Trek: The Next Generation fictional universe, the novel depicts Q joining forces with Captain Jean-Luc Picard and Lieutenant Commander Data to save his wife and son and avert the end of the universe. It is the first novel to explore Q's parenthood. De Lancie, who played Q on several Star Trek television series, was the only Next Generation actor to write a novel based on his character.

John Sherwood de Lancie, Jr. is an American actor, best known for his role as Q in various Star Trek series, beginning with Star Trek: The Next Generation in 1987 and leading up to the third season of Star Trek: Picard in 2023.