Tiny Toon Adventures: How I Spent My Vacation is a 1992 American animated comedy film from Warner Bros. Animation and Amblin Entertainment, originally intended for theatrical exhibition. Featuring the regular characters from the Fox Kids animated television program Tiny Toon Adventures, the plot follows their summer vacation from school, mainly focused on Babs and Buster going downriver, Plucky and Hamton going to a world-famous amusement park, and Fifi in search of her favorite movie star.

Steven Spielberg served as executive producer, with writing by Paul Dini, Nicholas Hollander, Tom Ruegger and Sherri Stoner. Japanese animation studio Tokyo Movie Shinsha (now known as TMS Entertainment) produced the animation. How I Spent My Vacation was released on both VHS and LaserDisc formats on Wednesday, March 11, 1992. It was the first feature length animated film to be released direct-to-video in the United States. The film was later aired on television as four separate Tiny Toon Adventures episodes. The events of the film take place between the second and third seasons of Tiny Toon Adventures.

It was one of the highest selling videos in the United States, listing on Billboard magazine's 40 "Top Video Sales" for 16 weeks as of July 1992. Points of praise by critics included the humor and celebrity caricatures, while criticism included the segmented plot. Themes include parodies of pop culture and summer vacations.