Hans Raj Khanna (July 3 1912-February 25 2008) was a judge of the Supreme Court of India (1971-1977), noted for his independence in decisions such as the Habeas Corpus case during the Indian Emergency.

Khanna studied at the Hindu and Khalsa Colleges, Amritsar before joining the Law College, Lahore (1932-1934) . He practised at Amritsar till January, 1952 when he was appointed District and Sessions Judge, Ferozepur, and then Ambala. He moved as District and Sessions Judge, Delhi until he was appointed Judge of Punjab High Court (1962). On the formation of the Delhi High Court, he joined the bench of that Court. He conducted the inquiry into corruption charges against Biju Patnaik and other Ministers in Orissa: while some of the charges were found true, Biju himself was absolved . He served as Chief Justice of Delhi High Court from 1969 till September, 1971 when he was appointed Judge of the Supreme Court.

When he was superseded for the post of Chief Justice by Indira Gandhi, he resigned from judicial service on December 3, 1977.