Weekly Shonen Sunday
- Country: Japan
- Type: Magazine
- Website: www.websunday.net
- Update: 05-01
Weekly Shonen Sunday ("Weekly Shonen Sunday") is a juvenile manga magazine published by the Japanese general publisher Shogakukan, and one of the three largest juvenile manga magazines in Japan, the other two being Shueisha's Weekly Shonen Jump and Kodansha's Weekly Shonen Magazine. The magazine was founded in 1959.