The arrondissement of Nantes is an arrondissement of France in the Loire-Atlantique department in the Pays de la Loire region.

[3] As of January 1, 2024, the Arrondissement of Nantes comprises 76 communes, including notable ones like Nantes, Carquefou, Orvault, and Saint-Herblain.

[4] In 1926, it absorbed the territory of the dissolved Arrondissement of Ancenis, which was later reestablished in 1943.

In January 2017 it lost four communes to the new arrondissement of Châteaubriant-Ancenis.

[5] As a result of the reorganisation of the cantons of France which came into effect in 2015, the borders of the cantons are no longer related to the borders of the arrondissements.