Fancy Nancy (titled Fancy Nancy Clancy internationally) is an American animated children's television series developed by Jamie Mitchell and Krista Tucker and produced by Disney Television Animation for Disney Junior based on the eponymous children's picture book series by Jane O'Connor with illustrations by Robin Preiss Glasser. The show follows the adventures of Nancy Clancy, a 6 (and then later 7) year-old girl who loves everything fancy and French, while living with her family and friends in a fictional version of Plainfield, Ohio.

The series premiered on July 13, 2018, in the United States and in Canada the following day. Disney Junior renewed the series for a second season, which premiered on October 4, 2019, in the United States. On September 18, 2019, a third season was commissioned, and Krista Tucker confirmed that it would be the last for the entire series. The third season began simulcasting on Disney Junior, DisneyNOW and Disney+ on November 12, 2021. The series finale aired on February 18, 2022. Fancy Nancy received generally positive reviews from critics.