The Glass Key award (, , , , ) is a literature award given annually to a crime novel by an author from the Nordic countries.
The award, named after the novel The Glass Key by American crime writer Dashiell Hammett, is a real glass key given every year by the members of the Crime Writers of Scandinavia () to a crime novel written by a Danish, Finnish, Icelandic, Norwegian or Swedish author. Each country's members put forth a candidate novel, making up the shortlist.