Chetana Nagavajara (Thai: เจตนา นาควัชระ RTGS: Chettana Nakwatchara, born 19 July 1937) is a Professor Emeritus of German language at Silpakorn University, a public university in Thailand. He was Dean of Faculty of Arts (1976–1979) and Vice President of that university (1979–1981) and also served in various government-appointed roles for higher education administrations in the country. As a scholar, his early work includes comparative literature and German literature. He authored books and articles for general and academic audiences in his mother-tongue, Thai as well as English and German. Through his writings and public talks, Nagavajara is later known in Thailand for his contributions to the arts criticism movement and his voice and leadership in the field of the humanities.