RLV9 can refer to: Reusable launch vehicle, the general concept of Reusable launch vehicles (to space) Reusable Launch Vehicle program (NASA), a cancelled NASA program that included the X33 experimental craft RLV-TD, India's Reusable Launch Vehicle - Technology Demonstrator project Relevium Technologies Inc, Stock Symbol: RLV Restrained Life Viewer for Second Life Defence of the Reich, the World War II German Reichsluftverteidigung (RLV) defensive aerial campaign RLV College of Music and Fine Arts, Kerala, India