This planet has no known canonical name.  While the information presented in this article is canonical, the planet described lacks an official name, thus the title is conjecture.

The Reol homeworld was a planet in Milky Way galaxy. The planet was the Reol homeworld for generations, until the Goa'uld came and attacked the planet, almost wiping out the population. A small group of Reol managed to escape to a new planet to start rebuilding their civilization. The planet has a Stargate. (SG1: "The Fifth Man")