Diary of a Wimpy Kid: The Long Haul is a 2017 American road comedy film written and directed by David Bowers and cowritten by the books' author Jeff Kinney. It serves as a standalone sequel to Diary of a Wimpy Kid: Dog Days, and the fourth installment in the Diary of a Wimpy Kid film series and the final live-action film in the franchise. It was based on the ninth book of the same name, with elements of the seventh, eighth, and tenth books in the series. It is also the only live-action installment in the series not to feature the cast members from the first three films. It instead features a completely different cast, and the plot follows the Heffleys as they go on a road trip to Meemaw's 90th birthday party, without realizing the various calamities that will occur along the way.

Jeffrey Patrick Kinney is an American author and cartoonist. He is best known for creating, writing and illustrating the children's book series Diary of a Wimpy Kid. He also created the child-oriented website Poptropica.