Blue Shield

Blue Shield may refer to:


 * Blue Shield emblem, a distinctive symbol marking cultural property defined by the 1954 Hague Convention
 * Blue Shield International, an international organization named after the Blue Shield emblem that protects cultural property in emergencies
 * Blue Cross and Blue Shield Association, an American health insurance group
 * Blue Shield of California, health plan based in San Francisco, California
 * Blue Shield (comics), a Marvel Comics Superhero
 * Blue Code of Silence, an informal code of silence among police officers in the US