Gilles of Brittany
| Gilles of Brittany | |
|---|---|
| Lord of Chantocé | |
| Born | 1420 |
| Died | 25 April 1450 Hardouinaye Castle |
| Burial | Boquen |
| Spouse | Françoise de Dinan |
| House | Montfort-Brittany |
| Father | John V, Duke of Brittany |
| Mother | Joan of France |
Gilles of Brittany (1420 – 25 April 1450) was a Breton prince and Lord of Chantocé. He was the son of John V of Brittany and Joan of France, and the younger brother of the dukes Francis I and Peter II.