Robert Edward "Bob" Treuhaft was an American lawyer and the second husband of Jessica Mitford.
The son of Hungarian immigrants, he worked for labor union and radical left causes much of his life.
In 1963 he provided Mitford with background and legal information that was important for Mitford"s best-selling exposé of the funeral industry, which he also unofficially co-authored, The American Way of Death. He worked for the Oakland, California, law firm of Oakland, Grossman, Sawyer & Edises and later founded his own Oakland-based firm Treuhaft, Walker and Bernstein, where Hillary Rodham Clinton worked as a summer intern in 1971.
From the early-to-mid-1940s to 1958 he and Mitford were members of the Communist Party United States of America.