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 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, 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
See also Flagstaff Hill (disambiguation) Flagstaff Lake (disambiguation)