Sir William Henry Aykroyd, 1st Baronet, OStJ (8 May 1865 – 3 April 1947) was an English woollen and carpet manufacturer. He was born in the West Riding of Yorkshire, the son of Alfred Aykroyd and Ellen (née Milnes), and educated at , near Wetherby. He entered his uncle's woollen and carpet manufacturing business, T. F. Firth & Sons Ltd, at Brighouse, and later became chairman. He was also chairman of Hammond's Bradford Brewery and managing director of the Bradford Dyers' Association. He was created a baronet in the 1920 Birthday Honours. He was appointed High Sheriff of Yorkshire in 1926.