| Elisabeth | |
|---|---|
 | |
| Countess of Vermandois | |
| Reign | 1168–1182 |
| Predecessor | Ralph II |
| Successor | Eleanor |
| Born | 1143 |
| Died | 28 March 1183 Arras, France |
| Spouse | Philip I, Count of Flanders |
| House | Capetian House of Vermandois |
| Father | Ralph I, Count of Vermandois |
| Mother | Petronilla of Aquitaine |
Elisabeth (French: Élisabeth), also known as Isabelle Mabille (1143 – Arras, 28 March 1183), was ruling Countess of Vermandois from 1168 to 1183, and also Countess of Flanders by marriage to Philip I, Count of Flanders. She was the eldest daughter of Ralph I, Count of Vermandois and his second spouse, Petronilla of Aquitaine.