Shivaram Hari Rajguru (24 August 1907 – 23 March 1931) was an Indian revolutionary from Maharashtra (then Bombay State), known mainly for his involvement in the assassination of a British police officer named John Saunders. He was an active member of the Hindustan Socialist Republican Association (HSRA) and on 23 March 1931, he was hanged by the along with his associates Bhagat Singh and Sukhdev Thapar.