Arup Ratan Choudhury (born 23 January 1952) is a Bangladeshi dental specialist and media personality.He is currently the head and senior consultant at the Department of Dentistry, BIRDEM).
Choudhury was born in January 23, 1952 in Sylhet. He passed S.S.C. exam from Sylhet Government Pilot High School in 1968 and H.S.C. exam from Jagannath College University in 1970. He completed his Bachelor of Dental Surgery in 1975 from Dhaka Dental College and Hospital under University of Dhaka. He received Doctor of Philosophy (PhD) from University of Dhaka in 2000. He received fellowship in Dental Public Health under World Health Organization Fellowship Program 1983–1984, London University, UK and Post Doctoral Research Fellow, 1992–1993 at Department of Oral Biology & Pathology, School of Dental Medicine, State University of New York (SUNY) at Stony Brook, New York City. He became the Fellow of International College of Continuous Dental Education (FICCDE) in 2003 and Fellow of International congress on Oral Cancer (FICOOC) in 2005.