K. K. Aggarwal is an Indian physician and cardiologist who is President CMAAO, President of the Heart Care Foundation of India and the Past National President of Indian Medical Association. The Government of India honoured him, in 2010, with the award of Padma Shri, the fourth-highest civilian award, for his contributions to the field of medicine.

He did his MBBS from Nagpur University in 1979 and obtained an MD from the same university in 1983. He was a senior consultant at Moolchand Medcity, New Delhi, India, until 2017 He has published many books on health including Alloveda, 6 textbook chapters on echocardiography and thousands of articles in national and international press. He is one of the pioneers of streptokinase therapy for heart attack in India and introduced the technique of Colour Doppler Echocardiography in India, Dr Aggarwal has been honored with the Dr. B. C. Roy Award, the highest Indian award in the medical category, in 2005. He is also a recipient of Vishwa Hindi Samman, National Science Communication Award, FICCI Health Care Personality of the Year Award, Dr D S Mungekar National IMA Award, and the Rajiv Gandhi Excellence Award, In 2010, he received the Padma Shri. He is Gold Medalist and Limca Book of record holder in CPR . He has been National President of the Indian Medical Association. and Chief Editor of IJCP Group.