Quinor is a Cardassian star system near the Badlands.

In 2323, Hadlo and other Oralians fled to the space beyond Quinor after a crackdown on them. (TLE - Terok Nor novel: Day of the Vipers)

Prior to 2328, Gul Monor battled and defeated Orion pirates at Quinor. (TLE novel: The Art of the Impossible)

In 2375, the Cardassian Liberation Front had a base on Quinor VII. It was later destroyed by the Dominion. (DS9 episode: "The Dogs of War")