通用名稱支持組織（GNSO）集合小型的利益相關團體，進而集合支持者組織和其他團體共同組成了一個負責政策開發、達成共識並且向ICANN董事會推薦通用頂級域相關建議的支持組織。通用名稱支持組織的前身是域名支持組織（DNSO，在2003年更名。
Generic Names Supporting Organization. Develops and recommends to the Board substantive policies relating to generic top-level domains and other responsibilities set forth in the Bylaws (ICANN Bylaws).
Deprecated. Domain Name Supporting Organization. Predecessor of the Generic Names Supporting Organization, which advised the Board with respect to policy issues relating to the Domain Name System (ICANN Bylaws).