John I of Armagnac | |
|---|---|
 | |
| Born | 1311 |
| Died | 1373 |
| Noble family | Armagnac |
| Spouse(s) | Reine de Got Beatrice of Clermont |
| Father | Bernard VI of Armagnac |
| Mother | Cecilia Rodez |
John I of Armagnac (French: Jean d’Armagnac; 1311 – 1373), son of Bernard VI and Cecilia Rodez, was Count of Armagnac from 1319 to 1373. In addition to Armagnac he controlled territory in Quercy, Rouergue and Gévaudan. He was the count who initiated the 14th century expansion of the county.