Shambhu Dayal Sinvhal (20 November 1923 - 27 May 2015) was an Indian mathematician, astronomist and a former vice chancellor of Kumaon University. Born on 20 November 1923 at Indore in the largest Indian state of Madhya Pradesh to B. D. Sinvhal and Tara Devi, he started his career as a member of the faculty of the department of mathematics and astronomy at Lucknow University in 1946 where he worked till 1954. During this period, he secured a doctoral degree (PhD) in mathematics from Lucknow in 1951. In 1954, he resigned from the university to take up the post of an assistant astronomer at Uttar Pradesh State Observatory and became its director in 1960, a post he held till his superannuation 1978. He also worked as a professor at the University of Rourkee at the department of Earth Sciences