Richard Oastler, sometimes referred to as the "Factory King", was an English labour reformer and abolitionist who fought for the rights of working children in the Factory Act of 1847. He was also a prominent leader of the anti-Poor Law movement.
He was born in Leeds on 20 December 1789, the youngest child of linen merchant Robert Oastler and his wife Sarah (née Scurr).
In October 1816, he married Mary Tatham (1793-1845) in Nottingham and they had two children, Sarah and Richard, who both died in infancy.
Richard Oastler died in Harrogate on 22 August 1861 and was buried at St. Stephens Parish Church in Leeds.