Rajeshwar Dayal (1909-1999) was an Indian diplomat who spent much of his career working with the United Nations system, first as India’s Permanent Representative at the UN headquarters in New York (1953-56). He was later member of the United Nations Observation Group in Lebanon (1958) and Head of the UN Operation in the Congo (1960-61). Dayal served as Chair of the Commonwealth Observer Group monitoring the first Zimbabwe elections in 1980, and as Indian Ambassador to Yugoslavia and to France.