Warrior Nun is an American fantasy drama streaming television series created by Simon Barry based on the comic book character Warrior Nun Areala by Ben Dunn. Developed as a feature film adaptation, the idea was re-imagined as a television series for Netflix when the service had given the production a series order for a first season. Filming takes place in multiple locations in Andalusia, Spain, such as Antequera, where the headquarters of the fictional Order of the Cruciform Sword was filmed.

The series is narrated and led by Portuguese actress Alba Baptista in the role of Ava Silva, a quadriplegic orphan who discovers she now has supernatural powers which force her to join an ancient order of warrior nuns. The series marks Baptista's English-language debut. The cast also features Toya Turner, Thekla Reuten, Lorena Andrea, Kristina Tonteri-Young, Sylvia De Fanti and Tristán Ulloa.

The series premiered on July 2, 2020, to generally positive reviews. It ran for two seasons but was cancelled by Netflix in December 2022. On August 15, 2023 a revival as a trilogy of feature films was announced.