James Duncan
James Duncan is the name of the following people:
- James Duncan (politician) (1756–1844), American politician (Pennsylvania)
- James Duncan (track and field athlete) (1887–1955), American discus thrower
- James Duncan (soccer player) , Scottish soccer player
- James Duncan (basketball coach) (born 1977), Canadian basketball coach
- James H. Duncan (1793–1869), American politician
