CATHERINE FLAMENT Voluntary associations in South-East France are studied within the research tradition using graph-theory : the concept of network is used in its most formal understanding. This kind of formalization allows to develop a typology of different associations from which the image of a "network organisation" emerge. This new image tends to renew the basic question of social networks which is about the status of interpersonal relationships.Résumé : Cette recherche sur des associations de la région Provence-Alpes-Côte d'Azur est La construction émerge la figure de "l' organisation réticulée". Cette nouvelle figure de l'organisation tend à renouveler la question théorique et fondatrice de l'analyse des réseaux sociaux, qui porte sur...