Robert Valentine Tishman (April 7, 1916 – October 11, 2010) was an American real estate developer who had been head of the family-owned firm Tishman Realty & Construction until it was disestablished in 1977, and was one of the two founding partners of Tishman Speyer, which was formed in 1978 and became one of the largest owners and builders of office buildings in the United States.