Jefferys

Jefferys is a surname. Notable people with the name include:
 * Charles Jefferys (1807–1865), English music publisher and composer
 * Charles William Jefferys (1869–1951), Canadian historical illustrator
 * Eddie Jefferys (fl. 2010s), English music producer
 * Edward Jefferys (1936–1998), South African sprinter
 * John Jefferys (fl. mid-18th century), British game designer
 * John Jefferys (clockmaker) (1701–1754), English horologist
 * Margot Jefferys (1916–1999), British medical sociologist
 * Steve Jefferys, Australian horse trainer, appeared in the 2000 Sydney Olympics Opening Ceremony
 * Thomas Jefferys (c. 1719–1771), English cartographer
 * William H. Jefferys (born 1940), American astronomer