| House of Astarac d'Astarac | |
|---|---|
| Noble family | |
 Arms; Quartered Yellow/Gold and Red | |
| Country | France |
| Etymology | root or foundation |
| Place of origin | Gascony, Astarac |
| Founded | 920 |
| Founder | Arnaud Garcia |
| Final head | Jean IV d'Astarac |
| Estate(s) | Astarac, Mirande |
| Dissolution | 1511 |
| Cadet branches | Counts of Astarac; Counts of Pardiac; de Mézamat de Lisle family (Unproven) |
The House of Astarac is a feudal lineage, descended from the House of Gascony, which owned the county of Astarac between the 10th and 16th centuries. The county was derived from a section of the county of Gascony upon the death of Garcia II.