Thanikachalam Sadagopan is an Indian cardiologist, medical academic, and former Vice-Chancellor at the Sri Ramachandra University. He is the chairman and director of the Cardiac Care Centre at Sri Ramachandra University and an adjunct professor at the Biomedical Engineering Group of the Department of Applied Mechanics at the Indian Institute of Technology, Chennai. He is known for research on preventive cardiology and has published several articles on the subject. He has been involved in several multinational multicentric drug trials including the PURSE-HIS Epidemiological Study of the Tufts University School of Medicine and the study on Nuna Kadugu, a Siddha medicine used to treat various skin diseases. He is a recipient of Dr. B. C. Roy Award of the Medical Council of India, the highest Indian award in the medical category. The Government of India awarded him the fourth highest civilian honour of the Padma Shri, in 2009, for his contributions to Medicine.

• 1997 - Sadhana Award
• 1998 - Outstanding Teacher of the Decade Awards –K G Hospital, Coimbatore
• 2000 - Awards for Excellence for the year 1999-2000, Lions Club of Madras Cathedral
• 2001 - Conferment of the Honorary Degree of Doctor of science (HONORIS CAUSA) by the Esteemed premier University of Tamil Nadu – The Tamil Nadu DR MGR Medical University
• 2003 - For the Sake of Honour Award – Rotary Club of Madras Shakti
• 2003 - For the Sake of Honour Award – Rotary Club of Salem
• 2003 - Dr. B. C. Roy National Award for best teacher by the Honorable President of India
• 2009 - “Padma Shri Award”, presented by the Honorable President of India
• 2011 - “Life time Achievement Award”, presented by The Tamil Nadu Dr. MGR Medical University, on the eve of Teachers Day
• 2011 - “Life time Achievement Award”, presented by The Tamil Nadu Dr. MGR Medical University for the contributions in the field of Cardiology and service to the society