• Signet ring, a ring with a seal set into it, typically by leaving an impression in sealing wax
• Signet ring cell
  Signet ring cell
  In histology, a signet ring cell is a malignant cell type seen predominantly in carcinomas.Signet ring cells are most frequently associated with stomach cancer, but can arise from any number of tissues including the prostate, bladder, gallbladder, breast, colon, ovarian stroma and...
  
  , a malignant cell type associated with cancers
• Signet Books, an imprint of the New American Library
• SigneT
  Signet
  Signet may refer to:* 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, an imprint of the New American Library...
  
  , a class of racing dinghy, designed in 1961 by Ian Proctor
  Ian Proctor
  Ian Douglas Ben Proctor, FRSA, known as Ian Proctor, was a prolific designer of both sailing dinghies and cruisers...
  
  
• Signet (Phi Sigma Kappa), a publication produced by the fraternity Phi Sigma Kappa
  Phi Sigma Kappa
  -Phi Sigma Kappa's Creed and Cardinal Principles:The 1934 Convention in Ann Arbor brought more changes for the fraternity. Brother Stewart W. Herman of Gettysburg wrote and presented the Creed, and Brother Ralph Watts of Massachusetts drafted and presented the Cardinal Principles.-World War II:The...
  
   published four times a year
• Signet Jewelers, the world's largest speciality retail jeweller
• USS Signet (AM-302)
  USS Signet (AM-302)
  USS Signet was an built for the United States Navy during World War II. She received four battle stars during World War II. She was decommissioned in December 1945 and placed in reserve. In February 1955, while still in reserve, her hull number was changed from AM-302 to MSF-302, but she was not...
  
  , a minesweeper

• Signet, Ontario, a community in Canada
• Signet, Oxfordshire
  Signet, Oxfordshire
  Signet is a hamlet on the A361 road just over south of Burford in Oxfordshire, England.Until 1954 Signet was part of the civil parish of Upton and Signet, which was absorbed into Burford to create the civil parish of Burford and Upton and Signet. The parish had a population of 437 in the 1951...
  
  , a hamlet in England

See also

• Society of Writers to Her Majesty’s Signet, a legal society of solicitors in Scotland
• Cygnet (disambiguation)