Jeffreys is a surname that may refer to the following notable people:
Sir Alec Jeffreys (born 1950), British biologist and discoverer of DNA fingerprinting Anne Jeffreys (1923–2017), American actress and singer Arthur Frederick Jeffreys (1848–1906), British politician Bertha Jeffreys (1903–1999), British physicist a.k.a. Bertha Swirles Charles Jeffreys (1877 – unknown), South African shooter Edmund Jeffreys (1846–1925), British Royal Navy admiral Elizabeth Jeffreys (1941–2023), British Byzantinist Ellen Penelope Jeffreys (1827–1904), New Zealand artist Garland Jeffreys (born 1943), American musician George Jeffreys (composer) (c.1610–1685), composer and organist to Charles I George Jeffreys, 1st Baron Jeffreys (1645–1689), British jurist & politician George Jeffreys, 1st Baron Jeffreys (British Army officer) (1878–1960), British soldier & politician George Jeffreys (pastor) (1889–1962), British religious leader Gina Jeffreys (born 1968), Australian singer Harold Jeffreys (1891–1989), British mathematician, statistician, geophysicist, and astronomer J. G. Jeffreys (1893–1977), Australian-born educator John Gwyn Jeffreys (1809–1885), British malacologist John R. F. Jeffreys (1918–1944), British mathematician Julius Jeffreys (1800–1877), British physician Justina Jeffreys (1787–1869), Jamaican-born British gentlewoman Paul Jeffreys (1952–1988), English rock musician and bassist Rhodri Jeffreys-Jones (born 1942), British historian Robin Jeffreys (1890–1963), British Olympic fencer Sheila Jeffreys (born 1948), British-born political scientist, academic, & activist Stephen Jeffreys (1950–2018), British playwright
See also Baron Jeffreys, a title in the English and UK peerages Jeffreys prior Jefferies (disambiguation) Jeffrey (disambiguation) Jefferys