Signet

Signet may refer to:
 * Signet, Kenya, A subsidiary of the Kenyan Broadcasting Corporation (KBC), specifically set up to broadcast and distribute the DTT signals
 * Signet ring, a ring with a seal set into it, typically by leaving an impression in sealing wax
 * Signet ring cell, a malignant cell type associated with cancers
 * Signet Books, a book-publishing imprint of the New American Library
 * Signet Press, a publisher in India.
 * SigneT, a class of racing dinghy, designed in 1961 by Ian Proctor
 * Signet (Phi Sigma Kappa), a publication produced by the fraternity Phi Sigma Kappa published four times a year
 * Signet Jewelers, the world's largest speciality retail jeweller
 * USS Signet (AM-302), a minesweeper
 * Kodak Signet, Kodak 1950s 35mm still camera line
 * Signet (automobile)
 * Signature Bank's proprietary payment network

Places

 * Signet, Ontario, a community in Canada
 * Signet, Oxfordshire, a hamlet in England