Pacific History Association
Pacific Islands Association of Libraries, Archives, and Museums (PIALA)
Pacific Islands Museum Association
Pacific Regional Branch, International Council on Archives (PARBICA)
Association of Tribal Archives, Libraries, & Museums (ATALM)
Council for the Preservation of Anthropological Records - inactive, but website has useful links to guidelines, etc. See list under Guidelines tab.
Digital Endangered Languages and Musics Archives Network (DELAMAN)
Native American Archives Roundtable (Society of American Archivists)