The following is a list of the 707 communes of the French department of

Seine-Maritime Seine-Maritime () is a department of France in the Normandy region of northern France. It is situated on the northern coast of France, at the mouth of the Seine, and includes the cities of Rouen and Le Havre. Until 1955 it was named Seine-Inf� ...

. The communes cooperate in the following intercommunalities (as of 2025):Périmètre des groupements en 2025
BANATIC. Accessed 28 May 2025. * Métropole Rouen Normandie *Communauté urbaine

Le Havre Seine Métropole Le Havre Seine Métropole is the ''communauté urbaine'', an Communes of France#Intercommunality, intercommunal structure, centred on the Communes of France, city of Le Havre. It is located in the Seine-Maritime departments of France, department, i ...

*Communauté d'agglomération

Caux Seine Agglo Caux Seine Agglo (before November 2017: ''Communauté d'agglomération Caux vallée de Seine'') is a ''communauté d'agglomération'' in the Seine-Maritime department of the Normandy region of northern France. It was created as a '' communauté d ...

* Communauté d'agglomération de Fécamp Caux Littoral * Communauté d'agglomération de la Région Dieppoise *

Communauté de communes des 4 rivières The Communauté de communes des 4 rivières (also: ''Communauté de communes des Quatre Rivières en Bray'') is a '' communauté de communes'' in the Seine-Maritime and Eure '' départements'' and in the Normandy '' région'' of France. It was for ...

(partly) * Communauté de communes interrégionale Aumale - Blangy-sur-Bresle (partly) *

Communauté de communes Bray-Eawy The Communauté de communes Bray-Eawy is a '' communauté de communes'' in the Seine-Maritime '' département'' and in the Normandy '' région'' of France. It was formed on 1 January 2017 by the merger of the former Communauté de communes du Pay ...

* Communauté de communes Campagne de Caux * Communauté de communes Caux - Austreberthe *

Communauté de communes de la Côte d'Albâtre The communauté de communes de la Côte d'Albâtre was created on December 28, 2001 and is located in the Seine-Maritime ''département'' of the Normandy region of northern France. It was enlarged with the former Communauté de communes Entre Me ...

* Communauté de communes Falaises du Talou * Communauté de communes Inter-Caux-Vexin * Communauté de communes de Londinières * Communauté de communes Plateau de Caux * Communauté de communes Roumois Seine (partly) *

Communauté de communes Terroir de Caux The Communauté de communes Terroir de Caux is a '' communauté de communes'' in the Seine-Maritime ''département'' and in the Normandy '' région'' of France. It was formed on 1 January 2017 by the merger of the former Communauté de communes d ...

Communauté de communes des Villes Sœurs The Communauté de communes des Villes Sœurs (before 2017: ''Communauté de communes interrégionale de Bresle maritime'') is a Communauté de communes located in both the Seine-Maritime department (in the Normandy region) and the Somme depar ...

(partly) * Communauté de communes Yvetot Normandie

References

{{Communes of France