Archibald Henry Plantagenet Stuart-Wortley (26 April 1832 – 30 April 1890), was a British Conservative Party politician.
Stuart-Wortley was the son of the Hon. Charles Stuart-Wortley-Mackenzie, second son of James Stuart-Wortley-Mackenzie, 1st Baron Wharncliffe. His mother was Lady Emmeline, daughter of John Manners, 5th Duke of Rutland. Victoria, Lady Welby, was his sister.
He married Lavinia Rebecca Gibbins (d. 1937) on 15 June 1879. Stuart-Wortley died in April 1890, aged 58.