What is the name of the first female Doctor?

The name of the first female Doctor is the Thirteenth Doctor. Jodie Whittaker portrayed this incarnation, becoming the first woman to lead Doctor Who in its regular television series.

The Thirteenth Doctor first appeared briefly at the end of the 2017 Christmas special "Twice Upon a Time," following Peter Capaldi’s regeneration. Her first full episode was "The Woman Who Fell to Earth," broadcast on 7 October 2018. The story introduced her new companions Graham O’Brien, Ryan Sinclair and Yasmin Khan.

The title refers to the Doctor’s incarnation number, not the actor’s name. This distinction matters because the programme treats regeneration as the continuation of one Time Lord’s life, even when the Doctor’s body, voice and appearance change. Whittaker’s era also explored the Doctor’s previously uncertain history through the Timeless Child storyline, which expanded the mythology surrounding the character’s origins.