| Gaston | |||||
|---|---|---|---|---|---|
| Count of Marsan | |||||
 | |||||
| Born | 7 February 1721 Paris, France | ||||
| Died | 2 May 1743 (aged 22) Strasbourg, France | ||||
| Spouse | Marie Louise de Rohan | ||||
| |||||
| House | House of Lorraine | ||||
| Father | Charles Louis, Count of Marsan | ||||
| Mother | Élisabeth de Roquelaure | ||||
Gaston de Lorraine (born Gaston Jean Baptiste Charles; 7 February 1721 – 2 May 1743) was a French nobleman and member of a cadet branch of the House of Lorraine. He was the last Count of Marsan. His wife was Marie Louise de Rohan.