The United States Ambassador to Singapore is a role that Jon Huntsman Jr. served as.
Jon Meade Huntsman Jr. ( born March 26 , 1960 ) is an American politician , businessman , and diplomat who served as the 16th Governor of Utah from 2005 to 2009 , and as United States Ambassador to Singapore from 1992 to 1993 , and China from 2009 to 2011 .