Kuju may refer to:Kuju, Ramgarh, a town in Ramgarh district, Jharkhand, India Kuju, Ardabil, a town in Iran Kujū, Ōita, a town in Ōita Prefecture, Japan Mount Kujū, a mountain in Kyushu Island, Japan Kuju Castle, a military fortress from the Goryeo period, in Kusong, North Korea Kuju Entertainment, a video game company