Wynonna Earp ( wy-NOH-nə URP) is a supernatural Western television series developed by Emily Andras, and based on the comic book series by Beau Smith. Melanie Scrofano portrays the titular character, the great-great-granddaughter of legendary lawman Wyatt Earp who returns to her hometown of Purgatory, near the Canadian Rockies, where she battles revenants, the reincarnated outlaws that Wyatt killed. The series also stars Shamier Anderson, Tim Rozon, Dominique Provost-Chalkley, and Katherine Barrell in main roles.

The series premiered on Syfy in the United States on April 1, 2016 and on CHCH-DT in Canada on April 4. In July 2016, the series was renewed for a second season which premiered on June 9, 2017, on Syfy and moved to Space (later rebranded to CTV Sci-Fi Channel) in Canada. In July 2017, the series was renewed for a third season which premiered on July 20, 2018. In July 2018, the series was renewed for a fourth season, which later remained in limbo for several months due to financial difficulties at production company IDW Entertainment. The first half of the fourth season premiered on July 26, 2020. In February 2021, Syfy announced that the fourth season would be the last, with the second half of the fourth season premiering on March 5, 2021.

In February 2024, a one-off special titled Wynonna Earp: Vengeance was commissioned by Tubi that premiered on September 13, 2024, with Scrofano, Rozon, Provost-Chalkley, Barrell, Greg Lawson, Dani Kind, and Varun Saranga reprising their respective roles.

The series received generally positive reviews from critics. E! Entertainment Television named Wynonna Earp the "Best New Show" of 2016. In its annual "Best of TV" highlight, Collider named Wynonna Earp the "Best New Sci-Fi" show of 2016. It was chosen by Variety as one of the 20 best new series of 2016 and one of the best television shows of 2017.