The Wellington Waterloo Dufferin Health Library Network (WWDHLN) represents a diverse group of public health, hospital, academic and public libraries that collaborate to provide quality knowledge information services to member organizations.

WWDHLN provides a forum for building professional expertise through formal education and informal networking, sharing learning and best practices.

WWDHLN is a chapter of the Canadian Health Library Association/Association des bibliothèque de la santé du Canada (CHLA/ABSC). The Network is a free share member of Docline.