Sieff

Sieff is a surname. Notable people with the surname include:


 * Adam Sieff (born 1954), Communications Director at Dune Music, and a former Sony Music Director of Jazz
 * Israel Sieff, Baron Sieff (1889–1972), British businessman
 * Jeanloup Sieff (1933–2000), fashion photographer
 * Joseph Sieff (1906–1982), businessman and British Zionist
 * Marcus Sieff, Baron Sieff of Brimpton OBE (1913–2001), Jewish British businessman, chairman of Marks & Spencer from 1972 to 1982