Sir John Kempthorne | |
|---|---|
| Born | c. 1620 |
| Died | 19 October 1679 Portsmouth |
| Allegiance |  Kingdom of England |
| Service |  Royal Navy |
| Years of service | 1664 – 1679 |
| Rank | Vice-Admiral |
| Commands | Kent Dunkirk Royal James Old James Royal Charles Defiance Warspite Mary Rose |
| Battles / wars | Battle of Lowestoft Four Days Battle Battle of Cádiz (1669) Battle of Solebay Battle of Schooneveld Battle of Texel |
| Awards | Knighthood |
Preview warning: Page using Template:Infobox military person with unknown parameter "nationality"
Preview warning: Page using Template:Infobox military person with unknown parameter "residence"
Sir John Kempthorne (c. 1620 – 19 October 1679) was an officer in the English Royal Navy during the Second and Third Anglo-Dutch Wars, who eventually rose to the rank of Vice-Admiral.