Department of Defence

The Department of Defence (or Department of Defense) is a department within the governments of a number of countries. It may refer to:


 * Department of Defence (Australia)
 * Department of National Defence (Canada)
 * Department of Defence (Ireland)
 * Department of National Defense (Philippines)
 * Department of Defence (South Africa)
 * Federal Department of Defence, Civil Protection and Sports, Switzerland
 * Georgia Department of Defense, United States
 * Maine Department of Defense, Veterans, and Emergency Management, United States
 * United States Department of Defense