Which Hogwarts house did J.K. Rowling say was her own house?

J.K. Rowling said that her own Hogwarts house would be Gryffindor.

Hogwarts School of Witchcraft and Wizardry divides students into four houses: Gryffindor, Hufflepuff, Ravenclaw, and Slytherin. Each house is associated with particular values, though the books show that individual students are more complex than simple labels.

Gryffindor is traditionally linked with courage, bravery, nerve, and chivalry. Harry Potter, Ron Weasley, and Hermione Granger are sorted into Gryffindor, as are many other important characters. The house’s founder was Godric Gryffindor.

Rowling’s answer is an authorial preference, not a fictional event in the novels. Online discussions sometimes infer her house from personality or assign her a house through fan quizzes, but the commonly reported answer to the question she has given about herself is Gryffindor. Hogwarts house identity has consequently become one of the most recognizable parts of the series’ world-building.