Flagstaff commonly refers to: * Flagpole, a staff for displaying a flag * Flagstaff, Arizona, the county seat of Coconino County, Arizona Flagstaff may also refer to:

United States

* Flagstaff station, in Flagstaff, Arizona * United States Naval Observatory Flagstaff Station, in Flagstaff, Arizona * Flagstaff Mountain (Boulder County, Colorado), a peak near Boulder, Colorado * Flagstaff Mountain (Stevens County, Washington), a peak near Northport, Washington * Flagstaff, Maine, a submerged former town ** Flagstaff Lake (Maine), on the Dead River * Flagstaff (Mandeville, Louisiana), a historic home National Register of Historic Places listings in St. Tammany Parish, Louisiana, listed on the National Register of Historic Places in St. Tammany Parish

Australia

* Flagstaff Gardens, a park in Melbourne * Flagstaff railway station, Melbourne * Flagstaff, Victoria

Canada

* Flagstaff County, a municipal district in Alberta

Ghana

* The Flagstaff House, Accra; residence and office of the President of Ghana

Hong Kong

* Flagstaff House, Hong Kong, Flagstaff House, the home to the Commander of British Forces in Hong Kong and now home to a museum of teaware

New Zealand

* Flagstaff (Otago), a hill above Dunedin * Flagstaff, Hamilton, a suburb

Pakistan

* Flagstaff House or Quaid-e-Azam House, Karachi; home of Muhammad Ali Jinnah, Governor General of Pakistan and founder of modern Pakistan

South Africa

* Flagstaff, Eastern Cape