The Seelos system was a star system located in the Kwymar sector of the Outer Rim Territories. It contained the planet Seelos, a desert world with great salt plains. Seelos was home to Captain Rex and Commanders Wolffe and Gregor during the Age of the Empire.
- Star Wars Rebels – "The Lost Commanders" (First appearance)
- Star Wars Rebels – "Relics of the Old Republic"
- Star Wars Rebels – "A Fool's Hope"