Hans Raj Khanna (3 July 1912 – 25 February 2008) was an Indian judge, jurist and advocate who propounded the basic structure doctrine in 1973 and attempted to uphold civil liberties during the time of Emergency in India in a lone dissenting judgement in 1976. He entered the Indian judiciary in 1952 as an Additional District and Sessions Judge and subsequently was elevated as a judge to the Supreme Court of India in 1971 where he continued till his resignation in 1977.