Duncan Graham

Duncan Graham may refer to:

Duncan Archibald Graham, Canadian physician and academic
Duncan Graham (writer), Australian journalist and blogger
Duncan Graham (Canadian politician), Canadian Member of Parliament for Ontario North, 1897–1900
Duncan Graham Ross, Canadian Member of Parliament for Middlesex East, 1935–1945
Duncan Macgregor Graham, British Member of Parliament for Hamilton, 1918–1942
Duncan Graham, South Australian playwright and winner of the Jill Blewett Playwright's Award in 2008 and 2016