The existence of a wide range of international institutions, with unique mandates and competences, in regulating space activities, has resulted in institutional fragmentation of global space governance. Although the Committee on the Peaceful Uses of Outer Space (“COPOUS”) is regarded as the main actor in global space governance, the participation of other institutions including the International Telecommunication Union (“ITU”), the International Civil Aviation Organization (“ICAO”) and the International Atomic Energy Agency (“IAEA”) cannot be overlooked. As a consequence of the participation of these various institutions in regulating space activities, the structure of global space governance was diversified and fragmentated simultaneously. Choosing the analytical research method, this paper aims at answering this main question how can the negative impacts of institutional fragmentation of global space governance be eliminated. The hypothesis of this article is that the establishment of the global space organization may make a significant contribution in this regard.