Richard Pennefather

Richard Pennefather may refer to:
 * Richard Pennefather (Cashel MP, died 1777), Irish MP for Cashel
 * Richard Pennefather (Cashel MP, died 1831), Irish MP for Cashel
 * Richard Pennefather (judge) (1772–1859), Irish judge
 * Richard Pennefather (civil servant, born 1806) (1806–1849), Under-Secretary for Ireland
 * Richard Pennefather (colonial administrator) (c. 1828–1865), British colonial administrator in Canada and Ceylon
 * Sir Richard Pennefather (civil servant) (1845–1918), Receiver of the Metropolitan Police
 * Richard Pennefather (Australian politician) (1851–1914), lawyer and politician in Western Australia