Chiba University (千葉大学, Chiba Daigaku) is a national university in the city of Chiba, Japan. It offers doctoral degrees in education as part of a coalition with Tokyo Gakugei University, Saitama University, and Yokohama National University. The university was formed in 1949 from existing educational institutions in Chiba Prefecture, and over a period of years absorbed Chiba Medical University (1923–1960), a preparatory department of the Tokyo Medical and Dental University, Chiba Normal School (1872–1951), Tokyo Polytechnic High School (1914–1951), Chiba Horticultural High School, among others. Chiba University was reincorporated in 2010 under the National University Corporation Act. Chiba University has been ranked 168th on the Asia University Rankings 2019 Top 100 by "The Times Higher Education". Its abbreviated form is Chibadai (千葉大).

Currently, Chiba University consists of nine faculties, the university library, the university hospital and other educational and research facilities. With 11,179 students in the undergraduate program, it has long been one of the largest universities in Japan. As for the graduate school, there are about 2,354 students in ten master's programs and 1,220 in nine doctoral programs.

The University's five campuses, Nishi-Chiba, Inohana, Matsudo, Kashiwanoha and Sumida Satellite are ideally located in Chiba Prefecture, an area noted for its industrial, intellectual and international achievements. Chiba University has achieved a high degree of participation in international cooperative research projects. Chiba University presently has a large body of international research scholars and students studying on its various campuses. As of 2009, there are approximately 477 international researchers and 957 international students.