Sir Ravinder Nath Maini (born 17 November 1937) is an Indian-born British rheumatologist and academic who is an emeritus professor at Imperial College London.

[2] Maini was born in Ludhiana, Punjab, British India, to Sir Amar Maini, a Kenyan-born lawyer and Ugandan politician, and his wife, Sam Saheli Mehra.

His younger brother is academic Yoginder Nath Tidu Maini.

Ravinder completed his bachelor's degree at Sidney Sussex College, Cambridge.

[1] In the 1980s, Maini, Marc Feldmann and Fionula Brennan identified TNF alpha as a key cytokine in the process of rheumatoid arthritis.