The Right Reverend The Honourable Henry Dudley Ryder (21 July 1777 Streatham, Surrey – 31 March 1836 Hastings, Sussex)  was a prominent English Evangelical Anglican clergyman in the early years of the nineteenth century. He was the first Evangelical to be raised to the Anglican episcopate.
Ryder was the fifth son of Nathaniel Ryder, 1st Baron Harrowby, by his wife Elizabeth Terrick, daughter of Richard Terrick, Bishop of London. Dudley Ryder, 1st Earl of Harrowby and the Honourable Richard Ryder were his elder brothers. He studied at St John's College, Cambridge, and became vicar of Lutterworth and of Claybrook. He was canon of Windsor in 1808.
Ryder married Sophia, daughter of Thomas March Phillips, in 1802. Their second son George Dudley Ryder was the father of the Very Reverend Henry Ignatius Dudley Ryder. Their fifth son was Admiral of the Fleet Sir Alfred Phillips Ryder. Their sixth and youngest son Spencer Ryder was the ancestor of the soldier and politician Robert Ryder. Ryder died in March 1836, aged 58. His wife died in August 1862.
After his death a bronze medallion was issued:
- Ryder, Henry in: Oxford University Press, retrieved o7 January 2014.
- "Ryder, the Hon Dudley (RDR779D)". A Cambridge Alumni Database. University of Cambridge.
- "Henry Ignatius Dudley Ryder". Catholic Encyclopedia. New York: Robert Appleton Company. 1913.
- Concise Dictionary of National Biography
- This article incorporates text from a publication now in the public domain: Herbermann, Charles, ed. (1913). "Henry Ignatius Dudley Ryder". Catholic Encyclopedia. Robert Appleton Company.
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