| François de La Trémoille | |
| Viscount of Thouars | |
| Noble Family: | La Tremoille |
| Father: | Charles I de la Trémoille |
| Mother: | Louise de Coëtivy |
| Spouse: | Anne de Laval |
| Birth Date: | 1505 |
| Death Date: | 1541 |
François de La Trémoille, Viscount of Thouars (1505–1541) was a French nobleman of the La Tremoille family. He was the son of Charles I de la Trémoille (killed in 1515 at the battle of Marignano) and of Louise de Coëtivy.
François held the title of 36th vicomte of Thouars (1525–1541). His other titles were prince de Talmont, comte of Taillebourg, comte of Guînes, comte of Benon, baron of Craon, baron of Royan, baron of Sully, baron of L'Ile-Bouchard, baron of Brandois, baron of Mauléon, baron of Mareuil, baron of Marans, baron of Rochefort, baron of Sainte-Hermine and baron of Doué.
The la Trémoille family, inheriting the county of Laval after the death of Guy XX of the Laval family, the last representative of that county's direct line. This inheritance obliged the descendants of Anne of Laval, and of François de la Trémoille, to come to stay on the banks of the Mayenne occasionally.
On 31 October 1537 François lost the châtellenie of Rochefort. In effect, a decree of the parlement de Paris dating to 10 March 1536 reunited Rochefort with his domain. The royal officers, always attentive to conserving the interests of their master, were justified by the tenacity of the La Trémoille family, shown especially by a royal debt of 18 000 écus to the family since the battle of Castillon in 1453.
On 23 January 1521 he married Anne de Montfort-Laval (1505–1554), daughter of Guy XVI de Laval and of Charlotte d'Aragon-Naples. Their 10 children were :