Kat Sandler is a Canadian playwright, director, screenwriter, and the artistic director of Theatre Brouhaha in Toronto.

Her plays include: WILDWOMAN (2023); Yaga (2019); The Party (2019); The Candidate (2019); BANG BANG (2018); and Mustard (2016, winner of the Dora Mavor Moore Award for Best New Play).

Yaga was adapted by Sandler into a TV series for Canadian streaming service Crave, released in 2026.