Secretariat may refer to:

* Secretariat (horse), racehorse who won the Triple Crown in 1973 * Secretariat (film) (Secretariat (film)), 2010 film about the racehorse

Organizations:

*Secretariat of the Pacific Community *Commonwealth Secretariat *General Secretariat of the Council of the European Union *United Nations Secretariat, one of the principal organs of the United Nations *Secretariat of the European Parliament, based in Luxembourg *Secretariat of State (Holy See), one of the principal organs of the Roman Curia *Secretariat of the CPSU Central Committee, a key body that controlled the central administration of the Communist Party of the Soviet Union *Government Secretariat (Hong Kong) of the Hong Kong Government *Grand Secretariat, a coordinating agency for the Ming Dynasty

Buildings: *Secretariat Building, the office building of the Government of India *United Nations Secretariat Building *Secretariat Building (Chandigarh), a building in India by Le Corbusier