Parvati Shallow (/ˈpɑːrvətiː/ PARV-ə-tee; born September 21, 1982) is an American television personality and was the $1 million winner of the reality television series Survivor: Micronesia — Fans vs. Favorites. She had previously competed in Survivor: Cook Islands in which she placed sixth, and later was the runner-up in Survivor: Heroes vs. Villains. In 2020, she competed on the show's 40th season, Survivor: Winners at War, where she placed 15th. She is widely considered by fans and critics to be one of the most skilled contestants ever to participate.

Parvati Shallow's strategic gameplay on Survivor has led to her being known as the "Black Widow" among fans and fellow competitors, a moniker which has endured into her appearance in The Traitors on Peacock. Beyond television, Shallow has used this in her role as a life coach, notably in her course 'How Villains are Made,' which focuses on personal empowerment topics.