John Blackwood may refer to:

• John Blackwood (publisher) (1818–1879), Scottish publisher
• Sir John Blackwood, 2nd Baronet (1722–1799), Irish politician and baronet
• Jock Blackwood (1899–c. 1970), Australian rugby union player
• John Blackwood (merchant) (before 1777–1819), Canadian merchant
• John Blackwood (footballer, born 1877) (1877–1913), Scottish footballer
• John Blackwood (footballer, born 1935), Scottish footballer
• Johnny Blackwood, fictional character in Act of Love
• John Blackwood (art dealer) (1696–1777), Scottish art dealer
• John Arthur Blackwood (1904–1973), British Hong Kong businessman
• John Blackwood, 11th Baron Dufferin and Claneboye (born 1944), Australian architect

• All pages with titles containing John Blackwood

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