Duncan

• Duncan (given name), various people
• Duncan (surname), various people
• Clan Duncan
• Justice Duncan (disambiguation)

• Duncan Creek (disambiguation)
• Duncan River (disambiguation)
• Duncan Lake (disambiguation), including Lake Duncan

• Duncan, South Australia, a locality in the Kangaroo Island Council
• Hundred of Duncan, a cadastral unit on Kangaroo Island in South Australia

• Duncan Town, Ragged Island, Bahamas
• Duncan Town Airport

• Duncan, British Columbia, on Vancouver Island
• Duncan Dam, British Columbia
• Duncan City, Central Kootenay, British Columbia; see List of ghost towns in British Columbia
• Mount Duncan, in the Selkirk Mountains

• Duncan Township (disambiguation)

• Duncan, Arizona
• Duncan, Iowa
• Duncan, Kentucky (disambiguation)
• Duncan City, Cheboygan, Michigan
• Duncan, Mississippi
• Duncan, Missouri
• Duncan, Nebraska
• Duncan, North Carolina
• Duncan, Oklahoma
• Duncan, South Carolina
• Fort Duncan, Eagle Pass, Texas

• Duncan (mango), a named mango variety selected and patented in Florida
• Duncan Toys Company, manufacturer of yo-yos and other toys
• Seymour Duncan, a manufacturer of guitar pickups and effects pedals

• "Duncan" (Paul Simon song)
• "Duncan" (Slim Dusty song)
• "Duncan", a song by Sarah Slean on the album Night Bugs

• HMS Duncan (multiple)
• USS Duncan (multiple)

• Duncan (horse)

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• Duncanville (disambiguation)
• {{srt|Duncan}}
• Dunkin (disambiguation)

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