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 (1923âÂÂ2017), American actress and singer
- Arthur Frederick Jeffreys (1848âÂÂ1906), British politician
- Bertha Jeffreys (1903âÂÂ1999), British physicist a.k.a. Bertha Swirles
- Charles Jeffreys (1877 â unknown), South African shooter
- Edmund Jeffreys (1846âÂÂ1925), British Royal Navy admiral
- Elizabeth Jeffreys (1941âÂÂ2023), British Byzantinist
- Ellen Penelope Jeffreys (1827âÂÂ1904), New Zealand artist
- Garland Jeffreys (born 1943), American musician
- George Jeffreys (composer) (c.1610âÂÂ1685), composer and organist to Charles I
- George Jeffreys, 1st Baron Jeffreys (1645âÂÂ1689), British jurist & politician
- George Jeffreys, 1st Baron Jeffreys (British Army officer) (1878âÂÂ1960), British soldier & politician
- George Jeffreys (pastor) (1889âÂÂ1962), British religious leader
- Gina Jeffreys (born 1968), Australian singer
- Harold Jeffreys (1891âÂÂ1989), British mathematician, statistician, geophysicist, and astronomer
- J. G. Jeffreys (1893âÂÂ1977), Australian-born educator
- John Gwyn Jeffreys (1809âÂÂ1885), British malacologist
- John R. F. Jeffreys (1918âÂÂ1944), British mathematician
- Julius Jeffreys (1800âÂÂ1877), British physician
- Justina Jeffreys (1787âÂÂ1869), Jamaican-born British gentlewoman
- Paul Jeffreys (1952âÂÂ1988), English rock musician and bassist
- Rhodri Jeffreys-Jones (born 1942), British historian
- Robin Jeffreys (1890âÂÂ1963), British Olympic fencer
- Sheila Jeffreys (born 1948), British-born political scientist, academic, & activist
- Stephen Jeffreys (1950âÂÂ2018), British playwright
See also