Department may refer to:

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

• Department (country subdivision), a geographical and administrative division within a country
  • Departments of Colombia, a grouping of municipalities
  • Departments of France, administrative divisions three levels below the national government
  • 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
• Police department, a body empowered by the state to enforce the law
• Ministry (government department), a specialized division of a government

• Department (film), is a Bollywood film released in June 2012
• 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