Relva system was an inhabited star system in Federation space. The seventh planet was home to a Starfleet outpost.

In 2364, the starship USS Enterprise-D visited this system so that a member of its crew, Wesley Crusher, could take the Starfleet Academy entrance exam. (TNG: "Coming of Age")

• Relva (primary)
  • Relva I
  • Relva II
  • Relva III
  • Relva IV
  • Relva V
  • Relva VI
  • Relva VII