| Isabelle of Luxembourg | |
|---|---|
 | |
| Born | c. 1247 |
| Died | c. 1298 |
| Spouse | Guy of Dampierre |
| Issue | Beatrix Margaret Isabelle Philippa John I, Marquis of Namur Guy of Namur Henry Jeanne |
| House | Luxembourg |
| Father | Henry V of Luxembourg |
| Mother | Margaret of Bar |
Isabelle of Luxembourg (1247–1298) was a countess consort of Flanders and a marquise consort of Namur by marriage to Guy of Dampierre.