Sukhdev Thapar (15 May 1907 – 23 March 1931) was an Indian revolutionary. He was a senior member of Hindustan Socialist Republican Association. He was hanged on 23 March 1931 at the age of 23. His ancestral house is in Naughara Mohalla of Ludhiana town, Punjab, India. He was son of Ram Lal and Ralli Devi.