Seijo University (成城大学, Seijō Daigaku) is a private university in Seijo, Setagaya-ku, Tokyo, Japan. It is operated by the Seijo Gakuen institute. Seijo University has its origins in Seijo Gakuen (成城学園), which was founded in 1917 by Dr. Masataro Sawayanagi, a former Minister of Education. Under the pre-World War II education system it was called ‘Seijo Higher School’.