Mr Selfridge is a British period drama television series about Harry Gordon Selfridge and his department store, Selfridge & Co, in London, set from 1908 to 1928. It was co-produced by ITV Studios and Masterpiece/WGBH for broadcast on ITV. The series began broadcasting on ITV on 6 January 2013 and 30 March 2016 on PBS in the United States.

Harry Gordon Selfridge, Sr. was an American retail magnate who founded the London-based department store Selfridges. The early years of his leadership of Selfridges led to his becoming one of the most respected and wealthy retail magnates in the United Kingdom. He was known as the 'Earl of Oxford Street'.