Henry Sinclair
Henry Sinclair is the name of the following people:
- Henry Sinclair (nobleman) († around 1330), Scottish nobleman
- Henry Sinclair (Bishop) († 1565), Scottish clergyman, Bishop of Ross
- Henry Sinclair (Orkney) († 1400), Jarl of Orkney
- Henry II. Sinclair (around 1375-1420), Jarl of Orkney
