Jessica's Big Little World is an American animated children's television series that aired as part of Cartoon Network's preschool block Cartoonito from September 20, 2023, to May 31, 2024.

Jessica navigates her way through a world where everything seems much bigger than she is; inspired by the grown-ups around her, she persists in conquering monumental children's tasks.

Titled Jessica's Big Little World, the new series was set to air as part of Cartoon Network's Cartoonito preschool block.

[8] In July 2023, it was announced the series would air as part of the regular Cartoon Network schedule, in addition to Cartoonito.

[11] The show was nominated for Outstanding Achievement for Character Design in an Animated Television / Broadcast Production for Nick Winn for the episode "Bedtime Routine" at the 51st Annie Awards.