| Honorific-Prefix: | The Right Honourable |
| Richard Ryder | |
| Order1: | Home Secretary |
| Term Start1: | 1 November 1809 |
| Term End1: | 8 June 1812 |
| Monarch1: | George III |
| Primeminister1: | Hon. Spencer Perceval |
| Predecessor1: | The Lord Hawkesbury |
| Successor1: | The Viscount Sidmouth |
| Nationality: | British |
| Spouse: | Frederica Skynner (d. 1821) |
Richard Ryder (5 July 1766 – 18 September 1832) was a British Tory politician. He notably served as Home Secretary between 1809 and 1812.
Ryder was a younger son of Nathaniel Ryder, 1st Baron Harrowby and his wife Elizabeth, daughter of the Right Reverend Richard Terrick, Bishop of London. Dudley Ryder, 1st Earl of Harrowby, was his elder brother and the Right Reverend the Hon. Henry Ryder, Bishop of Coventry and of Lichfield, his younger brother. He was educated at St John's College, Cambridge.
Ryder sat as Member of Parliament for Tiverton from 1795 to 1830 and was sworn of the Privy Council in 1807. From 1809 to 1812 he served as Home Secretary under Spencer Perceval.
Ryder married in 1799 Frederica, daughter of Sir John Skynner, from whom Ryder inherited the Great House in Great Milton, Oxfordshire in 1805. There were no surviving children from this marriage. Frederica died in August 1821. Ryder survived her by eleven years and died in September 1832, aged 66.