John Blackwood
John Blackwood may refer to:
- John Blackwood (publisher), Scottish publisher
- Sir John Blackwood, 2nd Baronet, Irish politician and baronet
- Jock Blackwood, Australian rugby union player
- John Blackwood (merchant), Canadian merchant
- John Blackwood (footballer, born 1877), Scottish footballer
- John Blackwood (footballer, born 1935), Scottish footballer
- Johnny Blackwood, fictional character in Act of Love
- John Blackwood (art dealer), Scottish art dealer
- John Arthur Blackwood, British Hong Kong businessman
- John Blackwood, 11th Baron Dufferin and Claneboye, Australian architect