Kuju may refer to:Kuju, Ramgarh, a town in Ramgarh district, Jharkhand, India Kuju, Ardabil, a town in Iran KujΕ«, Εita, a town in Εita Prefecture, Japan Mount KujΕ«, 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