John Ryder may refer to: John Ryder (bishop) (1697–1775), Archbishop of Tuam, Ireland. John Ryder (priest) (died 1791), Irish Anglican priest. John Ryder (Canadian politician) (1805–1872), Canadian politician from Nova Scotia. John Ryder (state senator) (1831–1911), American state legislator in Ohio and Iowa. John Ryder (state representative) (1862–1940), American state legislator in Iowa. John Ryder, 5th Earl of Harrowby (1864–1956), British peer and Conservative Member of Parliament. John Ryder (actor) (1814–1885), English actor.
https://en.wikipedia.org/wiki/John_Ryder