Robert Sinclair

Robert Sinclair may refer to:

Politics

 * Sir Robert Sinclair, 1st Baronet, of Longformacus (died 1678), MP of Scotland for Berwickshire
 * Sir Robert Sinclair, 3rd Baronet, of Longformacus (died 1727), MP of Scotland for Berwickshire
 * Sir Robert Sinclair, 3rd Baronet, of Stevenston (1643–1713), MP of Scotland for Haddingtonshire
 * Robert Sinclair, 1st Baron Sinclair of Cleeve (1893–1979), British businessman and public servant

Sports

 * Rob Sinclair (footballer, born 1974), for Maidstone United
 * Rob Sinclair (footballer, born 1989), English footballer for Forest Green Rovers
 * Bobby Sinclair (1915–1993), Scottish footballer for Falkirk and Darlington

Other

 * Robert Sinclair (bishop) (died 1398), bishop of Orkney and bishop of Dunkeld
 * Robert Sinclair (locomotive engineer) (1817–1898), chief mechanical engineer of the Caledonian Railway
 * Robert B. Sinclair (1905-1970), film and theater director
 * Robert J. Sinclair (1932–2009), American automotive industry executive
 * Sir Robert Sinclair, 9th Baronet (1820–1899)