Canadian Forces Base Ottawa (also CFB Ottawa) was a Canadian Forces Base

Canadian Forces base

A Canadian Forces Base or CFB is a military installation of the Canadian Forces. For a facility to qualify as a Canadian Forces Base, it must station one or more major units .Minor installations are named Canadian Forces Station or CFS A Canadian Forces Base or CFB (French Base des forces...

 located in Ottawa, Ontario

Ontario

Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....

.

CFB Ottawa was formed in 1972 to consolidate several Department of National Defence

Department of National Defence (Canada)

The Department of National Defence , frequently referred to by its acronym DND, is the department within the government of Canada with responsibility for all matters concerning the defence of Canada...

 properties in the national capital region for administrative purposes.

The two largest components of CFB Ottawa were the former CFB Uplands and CFB Rockcliffe

CFB Rockcliffe

Canadian Forces Base Rockcliffe is a former Canadian Forces Base located in the eastern part of Ottawa, Ontario, now used for Ottawa/Rockcliffe Airport and the Canada Aviation and Space Museum....

, which were referred to as CFB Ottawa (South) and CFB Ottawa (North) respectively.

Many residents of Ottawa continued to use the historic names of these geographically separate facilities. CFB Ottawa lost its status as a base during defence cutbacks in the mid-1990s.