Powys, is a Welsh surname. Notable people with the surname include:
Albert Powys (1881–1936), British architect and Secretary of the Society for the Protection of Ancient Buildings Arthur Powys (1842–1875), New Zealand cricketer Betsan Powys (born 1965), Welsh journalist and former Editor of Programmes for BBC Radio Cymru Caroline Girle Powys (1736–1817), British diarist Eiludd Powys, early 7th-century King of Powys Frederick Powys (1808–1863), English cricketer George Powys, 7th Baron Lilford (1931–2005), British businessman Horatio Powys (1805–1877), priest in the Church of England and Bishop of Sodor and Man John Cowper Powys (1872–1963), English philosopher, lecturer, novelist, critic and poet John Powys, 5th Baron Lilford (1863–1945), British peer and cricketer Littleton Powys (1647–1732), a Justice of the King's Bench Littleton Powys (cricketer) (1771–1842), English cricketer Llewelyn Powys (1884–1939), British novelist and essayist Mark Powys, 8th Baron Lilford (born 1975) Philippa Powys (1886–1963), British novelist and poet Richard Powys (1844–1913), English cricketer Stephen Powys, 6th Baron Lilford (1869–1949), British peer T. F. Powys (1875–1953), British writer Thomas Powys (judge) (1649–1719), English lawyer, judge and Tory politician Thomas Powys (priest) (1747–1809), Anglican clergyman Thomas Powys, 1st Baron Lilford (1743–1800), British politician Thomas Powys, 2nd Baron Lilford (1775–1825), British peer Thomas Powys, 3rd Baron Lilford (1801–1861), British peer and Whig politician Thomas Powys, 4th Baron Lilford (1833–1896), British aristocrat and ornithologist Walter Powys (1849–1892), English first-class cricketer
See also Powis (disambiguation), including a list of people with the surname