Udupi Ramachandra Rao, Indian physicist and engineer
Udupi Ramachandra Rao (10 March 1932 – 24 July 2017) was an Indian space scientist and chairman of the Indian Space Research Organisation. He was also the Chairman of the Governing Council of the Physical Research Laboratory at Ahmedabad and Nehru Planetarium at Bengaluru and chancellor of the Indian Institute for Space Science and Technology (IIST) at Thiruvananthapuram. He is known as "The Satellite Man of India". He pioneered India's first satellite launch Aryabhata in 1975.

Rao was awarded the Padma Bhushan by the Government of India in 1976, and Padma Vibhushan in 2017. He was inducted into the Satellite Hall of Fame, Washington, on 19 March 2013 at a ceremony organised by the Society of Satellite Professionals International. With this he became the first Indian to be inducted. He was also to be inducted in International Astronautics Federation (IAF) on 15 May 2016. He was also the first Indian again to achieve such a feat.