Mariot Arbuthnot | |
|---|---|
 | |
| Born | 1711 Weymouth |
| Died | 31 January 1794 (aged 82–83) London |
| Allegiance | Kingdom of Great Britain |
| Service | Royal Navy |
| Rank | Admiral of the Blue |
| Battles / wars | Battle of Cape Henry |
| Relations | John Arbuthnot (uncle) |
Admiral Mariot Arbuthnot (1711 – 31 January 1794) was a British admiral, who commanded the Royal Navy's North American station during the American War for Independence.