Meiji University (明治大学, Meiji Daigaku) is a private research university in Chiyoda, Tokyo, Japan. Originally founded as Meiji Law School (明治法律学校, Meiji Hōritsu Gakkō) by three lawyers in 1881, it became a university in April 1920.

As of May 2023, Meiji has 32,261 undergraduate students and 2,635 postgraduate students. The university consists of 10 undergraduate, 12 graduate, and 4 professional graduate schools, and operates on four campuses around the Greater Tokyo Area: Surugadai, Izumi, Ikuta, and Nakano. Meiji University is the country's most applied-to university, with applications to its undergraduate degrees amounting to approximately 100,000 annually. Meiji is a part of the Top Global University Project of Japan's Ministry of Education, Culture, Sports, Science and Technology. As of 2021, 270 Meiji alumni have competed in the Olympics, garnering 40 medals: 14 gold, 13 silver, and 13 bronze.