Planet Oz is the only solo studio album by German singer and songwriter Inga Humpe, released by East West in 1991.

Inga Humpe is a German singer, songwriter and producer. She performed with Neue Deutsche Welle bands such as Neonbabies, DÖF and Humpe & Humpe. Her sister is the singer and producer Annette Humpe, with whom she performed regularly during her career. The song "Riding into Blue " produced by Trevor Horn became a minor hit in 1990. Later that year she released a solo studio album Planet Oz. She currently is in the band 2raumwohnung and lives in Berlin.