The County of Brienne was a medieval county in France centered on Brienne-le-Château.

• Engelbert I (c.950 – c.968)^[1]
• Engelbert II (c.968 – c.990)
• Engelbert III (c.990 – c.1008)
• Engelbert IV (c.1008 – c.1035)
• Walter I (c.1035 – c. 1090)
• Erard I (c. 1090 – c. 1120?)
• Walter II (c. 1120? – c. 1161)
• Erard II (c. 1161 – 1191)
• Walter III (1191–1205)
• Walter IV (1205–1246)
• John (1246 – c. 1260)
• Hugh (c. 1260–1296)
• Walter V (1296–1311)
• Walter VI (1311–1356)
• Isabella (1356–1360) with her son:
• Sohier (1356–1364)
• Walter VII (1364–1381)
• Louis I (1381–1394)
• Margaret (1394–1397) with her husband:
• John of Luxembourg, Lord of Beauvoir (1394–1397)
• Peter I, comte de St-Pol (1397–1433)
• Louis I, comte de St-Pol (1433–1475)
• Peter II, comte de St-Pol (1475–1481)
• Anthony I, Count of Ligny (1481–1519)
• Charles I, Count of Ligny (1519–1530)
• Anthony II, Count of Ligny (1530–1557)
• John III, Count of Ligny (1557–1576)
• Charles II, Duke of Brienne, (1576–1608) (created Duke of Brienne in 1587; extinct on his death)
• Louise, Countess of Brienne (1608–1647)
• Louise de Béon (1647–1665) with her husband:
• Henri-Auguste de Loménie, comte de Brienne (1647–1666)
• Louis Henri de Loménie, comte de Brienne (1666–1698)
• Andrew Louis Henri de Loménie, comte de Brienne (1698–1743)
• Nicholas Louis de Loménie, comte de Brienne (1743–1758)
• Athanase Louis Marie de Loménie, comte de Brienne (1758–1794)

48°23′N 4°32′E / 48.39°N 4.53°E / 48.39; 4.53