Robert Rosenkrantz (born 5 August 1942) is an American multi-millionaire financier. He is Chairman and CEO of Delphi Financial Group and founder of The Rosenkranz Foundation which has funded right-wing think-tanks like Policy Exchange, Localis  and the American Enterprise Institute.  He was appointed a Trustee of Policy Exchange on 18 January 2010.
Rosenkranz sponsors the US debating organisation Intelligence Square. In 2008 he sponsored and presented a debate on the motion, 'America should be the world’s policeman'. Arguing for the motion were Max Boot, Michael Mandelbaum and Douglas Murray. 
- The Rosenkranz Foundation, Areas of Interest - Public Policy [Accessed 16 April 2010]
- The Rosenkranz Foundation, About Us [Accessed 16 April 2010]
- Intelligence Square, Transcript of 'America should be the world’s policeman'