Rowland Jones was a Welsh lawyer and philologist of radical linguistic views.
He was the second son of John Williams of Bachellyn, Llanbedrog, Carnarvonshire, where he was born. He spent some time as clerk in the office of his father, who was a solicitor, but he then obtained a similar situation in London.
He is usually described as of Broom Hall, near Pwllheli, Carnarvonshire. He died in Hamilton Street, Hanover Square, London, early in 1774, aged 52.