Tamara Deutscher (1 February 1913 – 7 August 1990) was a Polish-British writer and editor who researched the leaders of Soviet Communism, together with her husband Isaac Deutscher.

She was born Tamara Lebenhaft in Łódź, in what was then Congress Poland. She was educated in Brussels and arrived in Britain after the fall of France to Nazi Germany.

Her first marriage to Hilary Frimer ended in divorce. She married Isaac Deutscher in June 1947.

She died in London.