Richard Llewellyn Williams, (born December 28, 1929) was a career member of the Senior Foreign Service who, over three decades as a career U.S.
diplomat, opened the first American consulate in mainland China since the 1940s (in Guangzhou, 1979), served as the first U.S.
Ambassador to the Mongolian People's Republic from 1988 to 1990 (Diplomatic relations were established with the Mongolian People's Republic in January 1987) and then was named Consul General in Hong Kong from 1990 to 1993.
Williams was also director of Chinese affairs at the U.S.