R Grant Smith

R. Grant Smith (born 1939) is an American diplomat and previous United States Ambassador to Tajikistan.

Smith, originally from New Jersey, served in the foreign service in India and Nepal and was Deputy Ambassador of the U.S. Embassy in New Delhi. He also served as Director of the South Asia Office at the U.S. State Department.

He is a senior fellow at the Central Asia-Caucasus Institute at Johns Hopkins University.