Department

Department may refer to:


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

Government and military

 * Department (administrative division), 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
 * Departments of Uruguay
 * 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.

Other uses

 * 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