John Marshall (28 December 1797 – 31 October 1836) was an English politician, the Member of Parliament for Leeds (1832–1835).^[1] He was the second son of the wealthy industrialist John Marshall who introduced major innovations in flax spinning and built the celebrated Marshall's Mill and Temple Works in Leeds, West Yorkshire.^[2] His eldest brother William was MP for Beverley,^[3] Carlisle^[4] and East Cumberland^[5] and his next younger brother James Garth was a later MP for Leeds.^[1] The fourth brother, Henry Cowper, was Mayor of Leeds in 1842–1843.^[2] A sister, Julia Anne Elliott, was a hymnwriter.

Marshall married Mary Dykes, daughter of Joseph Ballantyne Dykes from Cockermouth, Cumbria, and they had five children. Their youngest son Julian was a noted music and print collector and writer.^[6]