John Johnson, 8th Seigneur of Sark (died 1723) was Seigneur of Sark from 1720 to 1723.
The colonel and former commander of the garrison in Guernsey bought the fief from Lord Carteret in 1720.
| Preceded by John Carteret |
Seigneur of Sark 1720–1723 |
Succeeded by James Milner |