RLV

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