David Blair
David Blair may refer to:
- David Blair (dancer), British ballet dancer
- David Blair (director), British movie and television director
- David Blair (encyclopedist), Irish Australian journalist and encyclopedist
- David Blair (filmmaker), American experimental filmmaker
- David Blair (golfer), Scottish amateur golfer
- David Blair (information technologist), information retrieval scientist
- David Blair (journalist), British journalist working for The Daily Telegraph
- David Blair (mariner), British second officer, transferred off the Titanic
- David Blair (discus thrower), American Paralympic discus thrower
- David Blair (physicist), Australian physicist
- David Blair (rower), Canadian Paralympic rower and triathlete
- David Blair (rugby union), Scottish rugby player
- Blair (poet), American performance poet
- David H. Blair, Commissioner of Internal Revenue of the United States, 1921–1929
- David Blair Motorsports, a former NASCAR racing team
- Rev. David Blair, a pen name of Eliza Fenwick