Japanische Internationale Schule e.V. in Düsseldorf (デュッセルドルフ日本人学校, Dyusserudorufu Nihonjin Gakkō, JISD, German: "Japanese International School in Düsseldorf") is a Japanese international school in Oberkassel, Düsseldorf, Germany. Japanische Ergänzungsschule in Düsseldorf (デュッセルドルフ日本語補習校 Dyusserudorufu Nihongo Hoshūkō), a Japanese weekend school, is a part of the institution.