Boris Grigorevich Kolker (Russian: ????? ??????????? ??????) (born July 15, 1939 in Tiraspol, Moldavian ASSR, Soviet Union) is a language teacher, translator and advocate of the international language Esperanto.
He was until 1993 a Soviet and Russian citizen and since then has been a resident and citizen of the United States residing in Cleveland, Ohio.
In 1985 he was awarded a Ph.D.
in linguistics from the Institute of Linguistics of the Academy of Sciences of the USSR in Moscow.