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 Argentina, the second level of administrative division in Argentina, below the provinces ** Departments of Chile ** 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 enfor ...