Ian Duncan
Ian Duncan is the name of the following people:
- Ian Duncan (philologist) (* 1955), American philologist
- Ian Duncan (rally driver) (* 1961), Kenyan rally driver
- Ian Duncan (politician) (* 1973), British politician
- Ian Duncan (actor, 1975) (born 1975), South African actor
- Ian Duncan (actor, II) , actor, screenwriter, director, producer and film editor