Rebecca Maria Hall (born 3 May 1982) is a British-American actress. In 2003, she won the Ian Charleson Award for her debut stage performance in a production of Mrs. Warren's Profession. She has appeared in the films The Prestige, Vicky Cristina Barcelona (for which she was nominated for a Golden Globe), The Town, Frost/Nixon, Iron Man 3, and Transcendence.

In June 2010, Hall won the Supporting Actress BAFTA for her portrayal of Paula Garland in the 2009 Channel 4 production Red Riding: In the Year of Our Lord 1974. She was also nominated for the Leading Actress BAFTA in 2013 for her role as Sylvia Tietjens in BBC Two's Parade's End.