Ian Fraser may refer to:
- Ian Fraser (broadcaster) (born 1948), New Zealand television interviewer and executive
- Ian Fraser (composer), composer and joint winner of the Academy Award for Original Music Score
- Ian Fraser (naturalist) (born 1951), Australian naturalist
- Ian Fraser (politician), New Zealand politician, founder of Libertarianz political party
- Ian Fraser (playwright) (born 1962), South African activist and playwright
- Ian Fraser, Baron Fraser of Lonsdale (1897–1974), British politician and businessman
- Ian Edward Fraser (1920–2008), British naval officer and Victoria Cross recipient
- Ian Fraser, Baron Fraser of Tullybelton (1911–1989), British judge
- Ian Masson Fraser (Born 1919), Scottish Priest and Missionary
- Ian Montagu Fraser (1916–1987), British politician, MP for Plymouth Sutton