Others
- Robert Boyd (university principal) (1578–1627), Principal of the University of Edinburgh
- Robert Boyd (British Army officer) (1710–1794), governor of Gibraltar
- Robert Boyd (bishop) (1890–1958), Anglican bishop of Killaloe and Clonfert and of Derry and Raphoe
- Robert Boyd (journalist), winner of the 1973 Pulitzer Prize for National Reporting
- Robert Boyd (writer) (1803–1883), writer on diseases of the insane
- Robert Boyd (comics), comics editor and critic
- Robert Boyd (director), Canadian film director (South of Wawa, The Canadian Conspiracy)
- Dice (rapper), rapper from Detroit whose real name is Robert Boyd
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