Harvey Birdman, Attorney at Law is an American adult animated television sitcom created by Michael Ouweleen and Erik Richter for Cartoon Network's late-night programming block, Adult Swim. The first season of Harvey Birdman, Attorney at Law is the first adult animated production to be produced by Cartoon Network Studios. A spin-off of Space Ghost Coast to Coast, the series revolves around Harvey Birdman, originally a superhero from Birdman and the Galaxy Trio, and his new career as an attorney, defending characters who had originally been featured in past Hanna-Barbera cartoons.

The pilot first aired as a sneak peek on Cartoon Network on December 30, 2000. The series officially premiered on Adult Swim on September 2, 2001, the night the block launched. It ended on July 22, 2007, with a total of 39 episodes, over the course of four seasons. The entire series has been made available on DVD, and other forms of home media, including on-demand streaming. A special, entitled Harvey Birdman: Attorney General, premiered on October 15, 2018, and a spin-off, Birdgirl, premiered on April 4, 2021.