The Coridan system was a star system located in Federation space, containing the Federation member planet Coridan.

In 2373, Kandra Vilk moved from Deep Space 9 to a neutral planet near the Coridan system because of the impending war with the Dominion. (DS9: "In the Cards")

The Coridan system was a target of Jem'Hadar raids during the Dominion War due to its importance as a source of dilithium, even though it was not on the front lines. (DS9: "One Little Ship")

• Coridan (primary)
  • Coridan