Duncan MacMillan or Duncan Macmillan may refer to:

• Duncan Macmillan (playwright), a British playwright and director.
• Duncan Macmillan (art historian), Scottish academic and writer
• Duncan Macmillan (athlete) (1890–1963), British track and field athlete competitor in the 1912 Summer Olympics
• Duncan MacMillan (Bloomberg), co-founder of Bloomberg L.P.
• Duncan Macmillan (Canadian politician) (1837–1903), Canadian lawyer and Member of Parliament
• Duncan MacMillan (Nova Scotia politician) (1897–1969), former Nova Scotia politician
• Duncan Bruce MacMillan, former Alberta politician

• Duncan McMillan (disambiguation)
• Duncan MacMillan High School, a secondary school in Sheet Harbour, Nova Scotia, Canada
• Duncan MacMillan Nursing Home in Sheet Harbour, Nova Scotia, Canada

Topics referred to by the same term

This disambiguation page lists articles about people with the same name.
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