George Duncan
George Duncan may refer to:
- George Duncan (golfer), Scottish golfer
- George Duncan (politician), Scottish member of parliament
- George B. Duncan (1861-1950), officer in the United States Army
- George Baillie Duncan, preacher and Keswick Convention speaker
- George Simpson Duncan, Scottish New Testament scholar
- George Smith Duncan (1852-1930), tramway and mining engineer
- Dr George Duncan, law lecturer at the University of Adelaide, whose murder led to decriminalization of homosexuality in South Australia