The third series of RuPaul's Drag Race UK began airing on 23 September 2021.

RuPaul's Drag Race UK is a British reality competition television series based on the American television series of the same name. The television series, a collaboration between the BBC and World of Wonder, premiered on 3 October 2019. The show is the fourth installment of the Drag Race franchise, and the second fronted by RuPaul. The show documents RuPaul and a panel of judges' search for "the United Kingdom's next drag superstar", the first series title dubbed "UK's First Drag Superstar". RuPaul plays several roles on the show including host, mentor and head judge for the series, as the contestants are given different challenges to participate in each week. The show also employs a panel of judges: RuPaul, Michelle Visage, Alan Carr, and Graham Norton.