Percy Jackson and the Olympians is an American fantasy television series created by Rick Riordan and Jonathan E. Steinberg for Disney+, based on the book series of the same name by Riordan. Walker Scobell stars as Percy Jackson, alongside Leah Sava Jeffries as Annabeth Chase and Aryan Simhadri as Grover Underwood.

Development on the series began in May 2020, following a pitch by Riordan to Disney Branded Television. Jonathan E. Steinberg and Dan Shotz were announced as showrunners in July 2021, with James Bobin hired to direct the first episode in October. Scobell was cast in the lead role in January 2022, with Jeffries and Simhadri joining the cast in May. Filming takes place in Vancouver, British Columbia.

Percy Jackson and the Olympians premiered on December 19, 2023, on Disney+, with the first season, adapting The Lightning Thief, consisting of eight episodes. It has received positive reviews from critics, who largely praised its faithfulness to the source material, worldbuilding, and cast performances, particularly those of Scobell and Jeffries. It received a leading sixteen nominations at the 3rd Children's and Family Emmy Awards winning eight, including Outstanding Young Teen Series and awards for writing and directing. The series was renewed for a second season in February 2024, which will adapt The Sea of Monsters, and is set to be released in December 2025. In March 2025, ahead of the second season premiere, the series was renewed for a third season, which is set to adapt The Titan's Curse.