Barbie: Big City, Big Dreams is a 2021 animated musical adventure buddy comedy film directed by Scott Pleydell-Pearce, produced by Emory Ronald "Ron" Myrick and written by Christopher Keenan and Catherine "Kate" Splaine.

First released in selected theaters in the United Kingdom and Ireland on August 20, 2021 before making its debut in the United States on Netflix on September 1, it is the 39th entry in the Barbie film series and the third to feature Barbie's family and/or friends based on Barbie Dreamhouse Adventures after Barbie: Princess Adventure and Barbie & Chelsea: The Lost Birthday. The film is accompanied by its eponymous soundtrack which was released on July 1, 2021, on global digital music streaming platforms.

On 1 February 2022, Mattel Television unveiled a CGI-animated serial adaptation and continuation of the film titled Barbie: It Takes Two. The first half of episodes was released in the U.S. on April 8 and other half on October 1.