Department

Department may refer to:

Departmentalization, division of a larger organization into parts with specific responsibility

Government and military

Department (country subdivision), a geographical and administrative division within a country, for example:
- Departments of Colombia, a grouping of municipalities
- Departments of France, administrative divisions three levels below the national government
- Departments of Honduras
- Departments of Peru, name given to the subdivisions of Peru until 2002
Department (United States Army), corps areas of the U.S. Army prior to World War I
Fire department, a public or private organization that provides emergency firefighting and rescue services
Ministry (government department), a specialized division of a government
Police department, a body empowered by the state to enforce the law
Department (naval) administrative/functional sub-unit of a ship's company.

Department (film), a 2012 Bollywood action film about police taking on Mumbai criminals
The Department (film), a 2015 Nigerian action film, about two lovers undermining dodgy business dealings
The Department, a satirical comedy on BBC Radio 4
The Department (play), a 1975 play by David Williamson
- The Department, a 1980 TV film based on the play
Academic department, a division of a university or school faculty devoted to a particular academic discipline
Department head, a management position
Department store, a retail store that includes many specialized departments such as clothing or household items