Robert Rankin Blackwood (20 August 1934 – 25 June 1997) was a Scottish footballer, who played as a wing half in the English Football League and the Scottish Football League Born in Edinburgh, Blackwood began his career in Scottish non-league football for junior clubs including Milton House Amateurs, Merchiston Thistle and Kelty Rangers.
He then made the move to the Scottish Football League to play for Hearts.
He moved to English football in 1962 to play for Suffolk side Ipswich Town, who paid a transfer fee of £12,000.
He moved the short distance to Colchester United in 1965, making 105 league appearances.
His Football League career ended in 1968, and Blackwood moved back to Scotland to play for Hawick Royal Albert.