Tunghai University (THU; traditional Chinese: 東海大學; simplified Chinese: 东海大学) is the oldest private university in Taiwan, established in 1955. It was founded by the United Board for Christian Higher Education in Asia (UBCHEA). It is located in Xitun District, Taichung, Taiwan. According to Times Higher Education's Impact Rankings 2020, the university is rated as the most impactful private university in Taiwan and third in the country.