| John Vivian | |
| Nationality: | British |
| Occupation: | Historian |
| Regius Professor of Modern History | |
| Term: | 1768-1771 |
| Predecessor: | Joseph Spence |
| Successor: | Thomas Nowell |
John Vivian (c.1729–1771) was the Regius Professor of Modern History at Oxford between 1768 and 1771. He was the son of William Vivian of Padstow, Cornwall, and became a Fellow of Balliol College, Oxford in 1750.