Mahidol University was the top-ranked Thai institution in Round University's World University Ranking 2020, a Russia-based tertiary education ranking agency.
The rankings, which can be accessed online, were announced on Friday, said the university's acting president, Dr Banchong Mahaisavariya, on Monday.
A total of 11 Thai universities made the list, which compares 829 higher education institutes worldwide -- including Chulalongkorn University, Suranaree University of Technology and Chiang Mai University.
Mahidol ranks 399th globally in terms of its overall score this year -- up from 428th last year.
The university also topped its Thai cohorts in terms of the ratio of academic staff to students, academic staff to bachelor degrees awarded, and citations per academic and research staff, he said.
Harvard University topped the list, followed by California Institute of Technology and Imperial College London.
